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CVE-2022-49809
net/x25: Fix skb leak in x25_lapb_receive_frame()
Medium5.5EPSS 0.20%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.20% · top 90% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < fda0ba7c84b46d10947c687320804b9de149a921
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < dfcfbe4f2e4b2c81cff4e79b48502d97fda73118
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < 0ef17d966445358a55c5f4ccf2c73cca3e39192b
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < e109b41870db995cae25dfaf0cc3922f9028b1a1
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < 9f00da9c866d506998bf0a3f699ec900730472da
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < c8baf1fc248b2e88642f094fea9509a9bf98c5bb
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < 2d675be16a461310d738d93f9f1a00da62055c5a
- affected cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df – < 2929cceb2fcf0ded7182562e4888afafece82cce
- affected 7f3ea0c12493c9ff38a13a89bcf08846b50c1f1c
- affected 3.0.72 – < 3.1
- affected 3.1
- unaffected < 3.1
- unaffected 4.9.334 – ≤ 4.9.*
- unaffected 4.14.300 – ≤ 4.14.*
- unaffected 4.19.267 – ≤ 4.19.*
- unaffected 5.4.225 – ≤ 5.4.*
- unaffected 5.10.156 – ≤ 5.10.*
- unaffected 5.15.80 – ≤ 5.15.*
- unaffected 6.0.10 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (8)
- https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921 (opens in a new tab)
- https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118 (opens in a new tab)
- https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b (opens in a new tab)
- https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1 (opens in a new tab)
- https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da (opens in a new tab)
- https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb (opens in a new tab)
- https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a (opens in a new tab)
- https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce (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)
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[](https://trackcve.app/cve/CVE-2022-49809)Record last updated .