CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се от съседна мрежа, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2cap_conn reference when user->remove callback is called: [ 97.809249] l2cap_conn_free: freeing conn ffff88810a171c00 [ 97.809907] CPU: 1 UID: 0 PID: 1419 Comm: repro_standalon Not tainted 7.0.0-rc1-dirty #14 PREEMPT(lazy) [ 97.809935] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014 [ 97.809947] Call Trace: [ 97.809954] <TASK> [ 97.809961] dump_stack_lvl (lib/dump_stack.c:122) [ 97.809990] l2cap_conn_free (net/bluetooth/l2cap_core.c:1808) [ 97.810017] l2cap_conn_del (./include/linux/kref.h:66 net/bluetooth/l2cap_core.c:1821 net/bluetooth/l2cap_core.c:1798) [ 97.810055] l2cap_disconn_cfm (net/bluetooth/l2cap_core.c:7347 (discriminator 1) net/bluetooth/l2cap_core.c:7340 (discriminator 1)) [ 97.810086] ? __pfx_l2cap_disconn_cfm (net/bluetooth/l2cap_core.c:7341) [ 97.810117] hci_conn_hash_flush (./include/net/bluetooth/hci_core.h:2152 (discriminator 2) net/bluetooth/hci_conn.c:2644 (discriminator 2)) [ 97.810148] hci_dev_close_sync (net/bluetooth/hci_sync.c:5360) [ 97.810180] ? __pfx_hci_dev_close_sync (net/bluetooth/hci_sync.c:5285) [ 97.810212] ? srso_alias_return_thunk (arch/x86/lib/retpoline.S:221) [ 97.810242] ? up_write (./arch/x86/include/asm/atomic64_64.h:87 (discriminator 5) ./include/linux/atomic/atomic-arch-fallback.h:2852 (discriminator 5) ./include/linux/atomic/atomic-long.h:268 (discriminator 5) ./include/linux/atomic/atomic-instrumented.h:3391 (discriminator 5) kernel/locking/rwsem.c:1385 (discriminator 5) kernel/locking/rwsem.c:1643 (discriminator 5)) [ 97.810267] ? srso_alias_return_thunk (arch/x86/lib/retpoline.S:221) [ 97.810290] ? rcu_is_watching (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/context_tracking.h:128 kernel/rcu/tree.c:752) [ 97.810
Засегнати продукти
- Linux Linux: b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди d955ccbf91ab74d76fe9e4eab2846a7d8a173075; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди 18b1263ece6431bd78fa6b61faaef5281203741c; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди 21a47a119f33df9bb157326846390d7e8e1b45ba; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди 45ebe5b900200ac3e01f3470506a44a447825721; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди 7c805b7d1e580eececcc92470292e3dbc42bc3f5; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди f8b6ed2f06d3baa44f347a0fa2af52433f386463; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди 4d37fa7582aa960ba23e10a7a2596a29f37ad281; b4f34d8d9d26b2428fa7cf7c8f97690a297978e6 преди dbf666e4fc9bdd975a61bf682b3f75cb0145eedd
- Linux Linux: 3.10; преди 3.10; 5.10.253 до 5.10.*; 5.15.203 до 5.15.*; 6.1.167 до 6.1.*; 6.6.130 до 6.6.*; 6.12.78 до 6.12.*; 6.18.20 до 6.18.*; 6.19.10 до 6.19.*; от 7.0 нататък
Вид слабост
История
- 3 април 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23462
- https://nvd.nist.gov/vuln/detail/CVE-2026-23462
- https://git.kernel.org/stable/c/d955ccbf91ab74d76fe9e4eab2846a7d8a173075
- https://git.kernel.org/stable/c/18b1263ece6431bd78fa6b61faaef5281203741c
- https://git.kernel.org/stable/c/21a47a119f33df9bb157326846390d7e8e1b45ba
- https://git.kernel.org/stable/c/45ebe5b900200ac3e01f3470506a44a447825721
- https://git.kernel.org/stable/c/7c805b7d1e580eececcc92470292e3dbc42bc3f5
- https://git.kernel.org/stable/c/f8b6ed2f06d3baa44f347a0fa2af52433f386463
- https://git.kernel.org/stable/c/4d37fa7582aa960ba23e10a7a2596a29f37ad281
- https://git.kernel.org/stable/c/dbf666e4fc9bdd975a61bf682b3f75cb0145eedd