CVE-2022-49374

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49374
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

14 Apr 2025, 20:37

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7 - () https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7 - Patch
References () https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec - () https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec - Patch
References () https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb - () https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb - Patch
References () https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5 - () https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5 - Patch
References () https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39 - () https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39 - Patch
References () https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0 - () https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0 - Patch
References () https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973 - () https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973 - Patch
CWE CWE-908
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: comprobar la longitud del atributo para el nombre del portador syzbot informó de un valor no inicializado: ======================================================== ERROR: 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.

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-04-14 20:37

NVD link : CVE-2022-49374

Mitre link : CVE-2022-49374

CVE.ORG link : CVE-2022-49374

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-908

Use of Uninitialized Resource