CVE-2023-52653
MEDIUM severity · CVSS 5.5 · CWE-401
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix a memleak in gss_import_v2_context The ctx->mech_used.data allocated by kmemdup is not freed in neither gss_import_v2_context nor it only caller gss_krb5_import_sec_context, which frees ctx on error. Thus, this patch reform the last call of gss_import_v2_context to the gss_krb5_import_ctx_v2, preventing the memleak while keepping the return formation.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4Patch
- https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27cPatch
- https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822Patch
- https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91faPatch
- https://git.kernel.org/stable/c/32a15b6a9a0ac326ca65ce988a1ba046517af3d5