CVE-2022-49374
tipc: check attribute length for bearer name
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.28% · top 79% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < f07670871f4d19e613740eebe210e7e9ea535973
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < 8b91d0dfc839e67708c905648cd0e7507a2263e5
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < b8fac8e321044a9ac50f7185b4e9d91a7745e4b0
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < 92a930fcf4250fe961f6238b99af0bc405799f39
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < 292be63c382ce20673ee61dff1ee9ed4a3dcaae7
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < 3af15272cde28fe5c8489174b8624e232c1775ec
- affected cb30a63384bc91d5da06e1cede1115f666a29271 – < 7f36f798f89bf32c0164049cb0e3fd1af613d0bb
- affected 4.17
- unaffected < 4.17
- unaffected 4.19.247 – ≤ 4.19.*
- unaffected 5.4.198 – ≤ 5.4.*
- unaffected 5.10.122 – ≤ 5.10.*
- unaffected 5.15.47 – ≤ 5.15.*
- unaffected 5.17.15 – ≤ 5.17.*
- unaffected 5.18.4 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (7)
- https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973 (opens in a new tab)
- https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5 (opens in a new tab)
- https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0 (opens in a new tab)
- https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39 (opens in a new tab)
- https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7 (opens in a new tab)
- https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec (opens in a new tab)
- https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49374)Record last updated .