CVE-2022-49938
cifs: fix small mempool leak in SMB2_negotiate()
In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Linux Linux |
≥ 9764c02fcbad40001fd3f63558d918e4d519bb75; < 9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0 (affected, git) ≥ 9764c02fcbad40001fd3f63558d918e4d519bb75; < 38a6b469bf22f153282fbe7d702a24e9eb43f50e (affected, git) ≥ 9764c02fcbad40001fd3f63558d918e4d519bb75; < 27893dfc1285f80f80f46b3b8c95f5d15d2e66d0 (affected, git) 1ae6f05d4204d3a128bb9ba2c42e2a6c4ac687f1 (affected, git) ≥ 4.13.5; < 4.14 (affected, semver) Other versions: unaffected |
CNA: Linux |
| Linux Linux |
4.14 (affected) ≥ 0; < 4.14 (unaffected, semver) ≥ 5.15.66; ≤ 5.15.* (unaffected, semver) ≥ 5.19.8; ≤ 5.19.* (unaffected, semver) ≥ 6.0; ≤ * (unaffected, original_commit_for_fix) Other versions: affected |
CNA: Linux |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
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