CVE-2023-52653: SUNRPC: fix a memleak in gss_import_v2_context
First published: Wed May 01 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.23 | 6.6.23 |
| redhat/kernel | <6.7.11 | 6.7.11 |
| redhat/kernel | <6.8.2 | 6.8.2 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.106-3<=6.1.112-1 | 6.11.4-1 6.11.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4
- https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c
- https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822
- https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa
- https://launchpad.net/bugs/cve/CVE-2023-52653
- https://access.redhat.com/security/cve/CVE-2023-52653
- https://lore.kernel.org/linux-cve-announce/2024050131-CVE-2023-52653-a5c2@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2278516
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi?id=2278515
- https://git.kernel.org/linus/e67b652d8e8591d3b1e569dbcdfcee15993e91fa
- https://security-tracker.debian.org/tracker/CVE-2023-52653
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52653
- https://nvd.nist.gov/vuln/detail/CVE-2023-52653
- https://ubuntu.com/security/CVE-2023-52653
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