Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.17, < 4.19.247 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7Patch
- https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ecPatch
- https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bbPatch
- https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5Patch
- https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39Patch
- https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0Patch
- https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973Patch
FAQ
What is CVE-2022-49374?
CVE-2022-49374 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== B...
How severe is CVE-2022-49374?
CVE-2022-49374 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49374?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.