CVE-2024-58009 Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed an UAF in l2capconnect Reported by Syzbot BUG: KASAN: Use of a slab object after a free call in l2capconnectconstprop.0+0x10d8/0x1270 net/bluetooth/l2capcore.c:3949 Read of size 8 at address...

CLSA-2025-1738672047 kernel: Fix of 15 CVEs

drm/amdgpu: add missing size check in amdgpudebugfsgprwaveread CVE-2024-50282 - drm/amdgpu: fix usage slab after free CVE-2024-56551 - Bluetooth: L2CAP: fix use-after-free in l2capconndel CVE-2022-3640 - netfilter: ipset: add missing range check in bitmapipuadt CVE-2024-53141 - ceph: prevent...

USN-7179-4: Linux kernel (Xilinx ZynqMP) vulnerabilities

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

OESA-2025-1078 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: enhanced error handling for tightly received RTS messages in xtprxrtssessionnew This patch enhances error handling in scenarios with RTS Request...

PT-2025-14350

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.13.0-rc5 Description A slab-use-after-free read vulnerability has been identified in the Linux kernel's Bluetooth L2CAP implementation. The issue occurs when the hci sync command releases l2cap conn, and the hc...

CLSA-2025-1736778412 kernel: Fix of 17 CVEs

tracing: Free buffers when a used dynamic event is removed CVE-2022-49006 - ASoC: ops: Check bounds for second channel in sndsocputvolswsx CVE-2022-48951 - ext4: fix slab-use-after-free in ext4splitextentat CVE-2024-49884 - ext4: fix bug on in ext4escacheextent as ext4splitextentat failed...

USN-7183-1: Linux kernel vulnerabilities

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

UBUNTU-CVE-2024-56605

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2capsockcreate btsockalloc allocates the sk object and attaches it to the provided sock object. On error l2capsockalloc frees the sk object, but the dangling pointer...

CVE-2024-56605 Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2capsockcreate btsockalloc allocates the sk object and attaches it to the provided sock object. On error l2capsockalloc frees the sk object, but the dangling pointer...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a hanging sk pointer problem left after error handling in the Bluetooth L2CAP protocol...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Confidential Computing kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-53095: smb: client: Fix use-after-free of network namespace bsc1233642. CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. CVE-2023-52920: bpf: suppo...

Moderate: Red Hat Security Advisory: kernel:4.18.0 security update

An update for the kernel:4.18.0 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CLSA-2024-1731933167 kernel: Fix of 36 CVEs

smb: client: fix use-after-free in smb2queryinfocompound CVE-2023-52751 - smb: client: prevent new fids from being removed by laundromat CVE-2023-52751 - cifs: fix dentry lookups in directory handle cache CVE-2023-52751 - uprobe: avoid out-of-bounds memory access of fetching args CVE-2024-50067 -...

CVE-2024-49950

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2capconnect Syzbot reported BUG: KASAN: slab-use-after-free in l2capconnect.constprop.0+0x10d8/0x1270 net/bluetooth/l2capcore.c:3949 Read of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54 CP...

CVE-2022-48947

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix u8 overflow By keep sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times and eventually it will wrap around the maximum number i.e., 255. This patch prevents this by adding a boundary check...

CVE-2022-48947 Bluetooth: L2CAP: Fix u8 overflow

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix u8 overflow By keep sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times and eventually it will wrap around the maximum number i.e., 255. This patch prevents this by adding a boundary check...

CVE-2022-48947

CVE-2022-48947 is a Linux kernel vulnerability related to Bluetooth L2CAP u8 overflow. By repeatedly sending L2CAP_CONF_REQ, chan->num_conf_rsp could wrap at 255. The fix adds a boundary check using L2CAP_MAX_CONF_RSP to prevent overflow. Connected advisories (e.g., Unity Linux/Astra Linux ent...

CVE-2022-48947 Bluetooth: L2CAP: Fix u8 overflow

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix u8 overflow By keep sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times and eventually it will wrap around the maximum number i.e., 255. This patch prevents this by adding a boundary check...