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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-64457 | 1 Linux | 1 Linux Kernel | 2026-08-03 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: virtio_pci: fix vq info pointer lookup via wrong index Unbinding a virtio balloon device: echo virtio0 > /sys/bus/virtio/drivers/virtio_balloon/unbind triggers a NULL pointer dereference. The dmesg says: BUG: kernel NULL pointer dereference, address: 0000000000000008 [...] RIP: 0010:__list_del_entry_valid_or_report+0x5/0xf0 Call Trace: <TASK> vp_del_vqs+0x121/0x230 remove_common+0x135/0x150 virtballoon_remove+0xee/0x100 virtio_dev_remove+0x3b/0x80 device_release_driver_internal+0x187/0x2c0 unbind_store+0xb9/0xe0 kernfs_fop_write_iter.llvm.11660790530567441834+0xf6/0x180 vfs_write+0x2a9/0x3b0 ksys_write+0x5c/0xd0 do_syscall_64+0x54/0x230 entry_SYSCALL_64_after_hwframe+0x29/0x31 [...] </TASK> The virtio_balloon device registers 5 queues (inflate, deflate, stats, free_page, reporting) but only the first two are unconditional. The stats, free_page and reporting queues are each conditional on their respective feature bits. When any of these features are absent, the corresponding vqs_info entry has name == NULL, creating holes in the array. The root cause is an indexing mismatch introduced when vq info storage was changed to be passed as an argument. vp_find_vqs_msix() and vp_find_vqs_intx() store the info pointer at vp_dev->vqs[i], where 'i' is the caller's sparse array index. However, the virtqueue itself gets vq->index assigned from queue_idx, a dense index that skips NULL entries. When holes exist, 'i' and queue_idx diverge. Later, vp_del_vqs() looks up info via vp_dev->vqs[vq->index] using the dense index into the sparsely-populated array, and hits NULL. Fix this by storing info at vp_dev->vqs[queue_idx] instead of vp_dev->vqs[i], so the store index matches the lookup index (vq->index). Apply the fix to both the MSIX and INTX paths. | ||||
| CVE-2026-67304 | 1 Freerdp | 1 Freerdp | 2026-08-03 | 7.5 High |
| FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard device control request cleanup when reader-state decoding fails. Attackers can send malformed smartcard IRP requests with non-zero cReaders and truncated reader-state data to crash the process via null pointer access in free_reader_states functions. | ||||
| CVE-2026-64542 | 1 Linux | 1 Linux Kernel | 2026-08-03 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in accept_untracked_na() accept_untracked_na() re-fetches the inet6_dev with __in6_dev_get(dev) and dereferences idev->cnf.accept_untracked_na without a NULL check, even though its only caller ndisc_recv_na() already fetched and NULL-checked idev for the same device. Both reads of dev->ip6_ptr run in the same RCU read-side critical section, but a concurrent addrconf_ifdown() can clear dev->ip6_ptr between them: lowering the MTU below IPV6_MIN_MTU calls addrconf_ifdown() without the synchronize_net() that orders the unregister path, so the re-fetch returns NULL and oopses: BUG: KASAN: null-ptr-deref in ndisc_recv_na (net/ipv6/ndisc.c:974) Read of size 4 at addr 0000000000000364 Call Trace: <IRQ> ndisc_recv_na (net/ipv6/ndisc.c:974) icmpv6_rcv (net/ipv6/icmp.c:1193) ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) ip6_input_finish (net/ipv6/ip6_input.c:534) ip6_input (net/ipv6/ip6_input.c:545) ip6_mc_input (net/ipv6/ip6_input.c:635) ipv6_rcv (net/ipv6/ip6_input.c:351) </IRQ> It is reachable by an unprivileged user via a network namespace. Pass the caller's already validated idev instead of re-fetching it; the idev stays alive for the whole RCU critical section, so it is safe even after dev->ip6_ptr has been cleared. | ||||
| CVE-2025-38299 | 2 Linux, Mediatek | 2 Linux Kernel, Mt8195 | 2026-08-03 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY() ETDM2_IN_BE and ETDM1_OUT_BE are defined as COMP_EMPTY(), in the case the codec dai_name will be null. Avoid a crash if the device tree is not assigning a codec to these links. [ 1.179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 1.181065] Mem abort info: [ 1.181420] ESR = 0x0000000096000004 [ 1.181892] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.182576] SET = 0, FnV = 0 [ 1.182964] EA = 0, S1PTW = 0 [ 1.183367] FSC = 0x04: level 0 translation fault [ 1.183983] Data abort info: [ 1.184406] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 1.185097] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 1.185766] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 1.186439] [0000000000000000] user address but active_mm is swapper [ 1.187239] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 1.188029] Modules linked in: [ 1.188420] CPU: 7 UID: 0 PID: 70 Comm: kworker/u32:1 Not tainted 6.14.0-rc4-next-20250226+ #85 [ 1.189515] Hardware name: Radxa NIO 12L (DT) [ 1.190065] Workqueue: events_unbound deferred_probe_work_func [ 1.190808] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.191683] pc : __pi_strcmp+0x24/0x140 [ 1.192170] lr : mt8195_mt6359_soc_card_probe+0x224/0x7b0 [ 1.192854] sp : ffff800083473970 [ 1.193271] x29: ffff800083473a10 x28: 0000000000001008 x27: 0000000000000002 [ 1.194168] x26: ffff800082408960 x25: ffff800082417db0 x24: ffff800082417d88 [ 1.195065] x23: 000000000000001e x22: ffff800082dbf480 x21: ffff800082dc07b8 [ 1.195961] x20: 0000000000000000 x19: 0000000000000013 x18: 00000000ffffffff [ 1.196858] x17: 000000040044ffff x16: 005000f2b5503510 x15: 0000000000000006 [ 1.197755] x14: ffff800082407af0 x13: 6e6f69737265766e x12: 692d6b636f6c6374 [ 1.198651] x11: 0000000000000002 x10: ffff80008240b920 x9 : 0000000000000018 [ 1.199547] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000000 [ 1.200443] x5 : 0000000000000000 x4 : 8080808080000000 x3 : 303933383978616d [ 1.201339] x2 : 0000000000000000 x1 : ffff80008240b920 x0 : 0000000000000000 [ 1.202236] Call trace: [ 1.202545] __pi_strcmp+0x24/0x140 (P) [ 1.203029] mtk_soundcard_common_probe+0x3bc/0x5b8 [ 1.203644] platform_probe+0x70/0xe8 [ 1.204106] really_probe+0xc8/0x3a0 [ 1.204556] __driver_probe_device+0x84/0x160 [ 1.205104] driver_probe_device+0x44/0x130 [ 1.205630] __device_attach_driver+0xc4/0x170 [ 1.206189] bus_for_each_drv+0x8c/0xf8 [ 1.206672] __device_attach+0xa8/0x1c8 [ 1.207155] device_initial_probe+0x1c/0x30 [ 1.207681] bus_probe_device+0xb0/0xc0 [ 1.208165] deferred_probe_work_func+0xa4/0x100 [ 1.208747] process_one_work+0x158/0x3e0 [ 1.209254] worker_thread+0x2c4/0x3e8 [ 1.209727] kthread+0x134/0x1f0 [ 1.210136] ret_from_fork+0x10/0x20 [ 1.210589] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402) [ 1.211355] ---[ end trace 0000000000000000 ]--- | ||||
| CVE-2026-12166 | 1 Little Orbit | 1 Gamefirst Anti-cheat | 2026-08-03 | 5.5 Medium |
| A NULL pointer dereference vulnerability for driver `GFAC_Sys_x64.sys` in Little Orbit GFAC allows a local attacker to cause a denial of service via crafted requests that trigger a system crash. | ||||
| CVE-2026-50810 | 1 Gpac | 1 Gpac | 2026-08-03 | 5.5 Medium |
| A NULL pointer dereference in smooth_parse_stream_index() in src/media_tools/mpd.c in GPAC master HEAD before commit b35c61f104b85fbb16520ac2838d5d2ef70845b5 allows attackers to cause a denial of service | ||||
| CVE-2026-18064 | 1 Nasa | 1 Core Flight System (cfs) Health & Safety (hs) Application | 2026-08-02 | 7.5 High |
| An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset. | ||||
| CVE-2026-64358 | 1 Linux | 1 Linux Kernel | 2026-08-02 | N/A |
| In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: cancel workqueue on release for supported platforms only Since a recent fix the mtk_jpeg_release function cancels any pending or running work present in the driver workqueue using cancel_work_sync function. Currently, only the multicore based variants use this workqueue and they have the jpeg_worker platform data field initialized with a workqueue callback function. For the others, this field value remain NULL by default. The cancel_work_sync function is unconditionally called in mtk_jpeg_release function, even for the variants that do not use the workqueue. This call generates a WARN_ON print in __flush_work because the workqueue callback function presence check fails in __flush_work function (used by cancel_work_sync). So, to avoid these warnings, call cancel_work_sync only if a workqueue callback is defined in platform data. | ||||
| CVE-2026-36909 | 2026-08-02 | 6.2 Medium | ||
| A NULL pointer dereference in the AP4_TkhdAtom::GetTrackId() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file. | ||||
| CVE-2026-20457 | 1 Mediatek, Inc. | 1 Mediatek Chipset | 2026-08-02 | 5.3 Medium |
| In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01826924; Issue ID: MSV-7301. | ||||
| CVE-2026-64346 | 1 Linux | 1 Linux Kernel | 2026-08-01 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: Fix use-after-free in gadget_match_driver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled. A race condition exists where usb_del_gadget() frees the udc memory (e.g., via mode-switch work) while gadget_match_driver() concurrently accesses the freed udc memory (e.g., via configfs), causing a Use-After-Free (UAF) that triggers a NULL pointer dereference when the freed memory is zeroed: [39430.908615][ T1171] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [39430.911397][ T1171] pc : __pi_strcmp+0x20/0x140 [39430.911441][ T1171] lr : gadget_match_driver+0x34/0x60 ... [39430.911890][ T1171] usb_gadget_register_driver_owner+0x50/0xf8 [39430.911910][ T1171] gadget_dev_desc_UDC_store+0xf4/0x140 [39430.931308][ T1171] configfs_write_iter+0xec/0x134 [39430.957058][ T1171] Workqueue: events_freezable __dwc3_set_mode [39430.957287][ T1171] dwc3_gadget_exit+0x34/0x8c [39430.957304][ T1171] __dwc3_set_mode+0xc0/0x664 Fix this by ensuring the udc structure remains allocated until the gadget is released. To achieve this, introduce a new usb_gadget_release() routine to the core. When the gadget is added, usb_add_gadget() stores the gadget's release routine in the udc structure and takes a reference to the udc. When the gadget is released, usb_gadget_release() drops the reference to the udc and then calls the gadget's release routine. | ||||
| CVE-2026-64404 | 1 Linux | 1 Linux Kernel | 2026-08-01 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid NULL deref of conn in iso_conn_big_sync() iso_conn_big_sync() drops the socket lock to call hci_get_route() and then re-acquires it, but dereferences iso_pi(sk)->conn->hcon afterwards without re-checking that conn is still valid. While the lock is dropped, the connection can be torn down under the same socket lock: iso_disconn_cfm() -> iso_conn_del() -> iso_chan_del() sets iso_pi(sk)->conn to NULL (and the broadcast teardown path can also clear conn->hcon on its own). When iso_conn_big_sync() re-acquires the lock and reads conn->hcon, conn may be NULL, causing a NULL pointer dereference (hcon is the first member of struct iso_conn). This path is reached from iso_sock_recvmsg() for a PA-sync broadcast sink socket (BT_SK_DEFER_SETUP | BT_SK_PA_SYNC), so the dropped-lock window can race with connection teardown driven by controller events. Re-validate iso_pi(sk)->conn and its hcon after re-acquiring the socket lock and bail out if the connection went away, as already done in the sibling iso_sock_rebind_bc(). | ||||
| CVE-2025-69624 | 3 Gonitro, Microsoft, Nitro | 3 Nitro Pdf Pro, Windows, Pdf Pro | 2026-07-31 | 7.5 High |
| Nitro PDF Pro before 14.43 for Windows contains a NULL pointer dereference vulnerability in the JavaScript implementation of app.alert(). When app.alert() is called with more than one argument and the first argument evaluates to null (for example, app.alert(app.activeDocs, true) when app.activeDocs is null), the engine routes the call through a fallback path intended for non-string arguments. In this path, js_ValueToString() is invoked on the null value and returns an invalid string pointer, which is then passed to JS_GetStringChars() without validation. Dereferencing this pointer leads to an access violation and application crash when opening a crafted PDF. For example, 14.41.1.4 and 14.42.0.34 have been reported as vulnerable. | ||||
| CVE-2026-0156 | 1 Google | 1 Android | 2026-07-31 | 6.5 Medium |
| In checkSsrcCollisionOnRcv of RtpSession.cpp, there is a possible memory safety issue due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. | ||||
| CVE-2026-36912 | 1 Aleksoid1978 | 1 Mpc-be | 2026-07-31 | 7.5 High |
| A NULL pointer dereference in the AP4_AtomSampleTable::GetSample() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file. | ||||
| CVE-2026-38976 | 2026-07-31 | 7.5 High | ||
| mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in op_super() / OP_SUPER due to a missing runtime guard for top-level super. | ||||
| CVE-2026-50812 | 1 Sqlite | 1 Sqlite | 2026-07-31 | 5.5 Medium |
| A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changeset_apply_v3() applies a corrupt changeset and reaches sqlite3_value_type() with a NULL sqlite3_value pointer. | ||||
| CVE-2025-56363 | 1 Csa-iot | 1 Matter | 2026-07-31 | 7.5 High |
| A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting the ReadRevisionAttribute function used in multiple clusters (Channel, Account Login, TargetNavigator, etc.). The function lacks proper validation of the delegate pointer before dereferencing. A remote unauthenticated attacker can exploit this issue by sending a crafted read request, causing the device to crash (denial of service). This issue has been confirmed in SDK version v1.4 (commit ab3d5ae). | ||||
| CVE-2026-64030 | 1 Linux | 1 Linux Kernel | 2026-07-30 | 8.8 High |
| In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs IEEE80211_MLE_STA_EPCS_CONTROL_LINK_ID is 0x000f, so link_id extracted from a PRIO_ACCESS ML element PER_STA_PROFILE subelement can be 0..15. sdata->link[] has IEEE80211_MLD_MAX_NUM_LINKS (15) entries (indices 0..14), making index 15 out-of-bounds. A connected WiFi 7 AP can trigger this by sending an EPCS Enable Response action frame with a PER_STA_PROFILE subelement where link_id = 15. The unsolicited-notification path (dialog_token = 0) is reachable any time EPCS is already enabled, without any prior client request. sdata->link[15] reads into the first word of sdata->activate_links_work (a wiphy_work whose embedded list_head is non-NULL after INIT_LIST_HEAD), so the NULL check on the result does not catch the invalid access. The garbage pointer is then passed to ieee80211_sta_wmm_params(), which dereferences link->sdata and crashes the kernel. The same class of bug was fixed for ieee80211_ml_reconfiguration() by commit 162d331d833d ("wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration"). | ||||
| CVE-2026-62309 | 1 Coredns.io | 1 Coredns | 2026-07-30 | 7.5 High |
| CoreDNS is a DNS server written in Go. Prior to 1.14.4, a single 28-byte UDP datagram can crash the CoreDNS process when the proxyproto plugin is enabled because plugin/pkg/proxyproto/proxyproto.go PacketConn.ReadFrom handles a PROXY v2 header with non-UDP transport such as family byte 0x11, reassigns addr from a nil readFrom result after parseProxyProtocol errors, and calls addr.String() in the warning log before ServeDNS recovery applies. This issue is fixed in version 1.14.4. | ||||