CVE-2022-49374

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Source
https://cve.org/CVERecord?id=CVE-2022-49374
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49374.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49374
Downstream
Published
2025-02-26T02:11:15.127Z
Modified
2026-03-12T03:25:05.823799Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
tipc: check attribute length for bearer name
Details

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 stringnocheck lib/vsprintf.c:644 [inline] BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725 stringnocheck lib/vsprintf.c:644 [inline] string+0x4f9/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 vprintkstore+0x537/0x2150 kernel/printk/printk.c:2158 vprintkemit+0x28b/0xab0 kernel/printk/printk.c:2256 vprintkdefault+0x86/0xa0 kernel/printk/printk.c:2283 vprintk+0x15f/0x180 kernel/printk/printksafe.c:50 printk+0x18d/0x1cf kernel/printk/printk.c:2293 tipcenable_bearer net/tipc/bearer.c:371 [inline] __tipcnlbearerenable+0x2022/0x22a0 net/tipc/bearer.c:1033 tipcnlbearerenable+0x6c/0xb0 net/tipc/bearer.c:1042 genlfamilyrcvmsgdoit net/netlink/genetlink.c:731 [inline]

  • Do sanity check the attribute length for TIPCNLABEARER_NAME.
  • Do not use 'illegal name' in printing message.
Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49374.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
cb30a63384bc91d5da06e1cede1115f666a29271
Fixed
f07670871f4d19e613740eebe210e7e9ea535973
Fixed
8b91d0dfc839e67708c905648cd0e7507a2263e5
Fixed
b8fac8e321044a9ac50f7185b4e9d91a7745e4b0
Fixed
92a930fcf4250fe961f6238b99af0bc405799f39
Fixed
292be63c382ce20673ee61dff1ee9ed4a3dcaae7
Fixed
3af15272cde28fe5c8489174b8624e232c1775ec
Fixed
7f36f798f89bf32c0164049cb0e3fd1af613d0bb

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49374.json"