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CVE-2022-50837
net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path
Not scoredEPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path If dsa_tag_8021q_setup() fails, for example due to the inability of the device to install a VLAN, the tag_8021q context of the switch will leak. Make sure it is freed on the error path.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.24% · top 85% 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: Not scored.
Affected products
- affected 328621f6131f667c5c328bb72d45442fd76efb81 – < 09f30f394e832ed09859b6a80fdd20668a9104ff
- affected 328621f6131f667c5c328bb72d45442fd76efb81 – < 39691d51af99f80efb9e365f94b8e0c791fa1a2f
- affected 328621f6131f667c5c328bb72d45442fd76efb81 – < 14ed46a13aba42a6ddd85de6f6274090df3586a5
- affected 328621f6131f667c5c328bb72d45442fd76efb81 – < e095493091e850d5292ad01d8fbf5cde1d89ac53
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (4)
- https://git.kernel.org/stable/c/09f30f394e832ed09859b6a80fdd20668a9104ff (opens in a new tab)
- https://git.kernel.org/stable/c/39691d51af99f80efb9e365f94b8e0c791fa1a2f (opens in a new tab)
- https://git.kernel.org/stable/c/14ed46a13aba42a6ddd85de6f6274090df3586a5 (opens in a new tab)
- https://git.kernel.org/stable/c/e095493091e850d5292ad01d8fbf5cde1d89ac53 (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-2022-50837)Record last updated .