CVE-2022-49374

MEDIUM EPSS 18.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline] BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725 string_nocheck lib/vsprintf.c:644 [inline] string+0x4f9/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50 _printk+0x18d/0x1cf kernel/printk/printk.c:2293 tipc_enable_bearer net/tipc/bearer.c:371 [inline] __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033 tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] - Do sanity check the attribute length for TIPC_NLA_BEARER_NAME. - Do not use 'illegal name' in printing message.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
18.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-908

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥4.17  –  <4.19.247
linuxlinux_kernel*≥4.20  –  <5.4.198
linuxlinux_kernel*≥5.5  –  <5.10.122
linuxlinux_kernel*≥5.11  –  <5.15.47
linuxlinux_kernel*≥5.16  –  <5.17.15
linuxlinux_kernel*≥5.18  –  <5.18.4

References 7

  • git.kernel.org https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973
    Patch