The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service…

Description

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

Scores

EPSS (exploitation in 30 days)

0.51% · top 56% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (46)

• SUSE-SU-2015:2292 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• RHSA-2015:2636 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2016:0212 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2016:0337 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SU-2015:2350 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1272172 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2016:0434 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2826-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://source.android.com/security/bulletin/2016-12-01.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1272371 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2840-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBGN03565 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2843-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2015:2194 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• [oss-security] 20151020 Re: CVE request: crash when attempt to garbage collect an uninstantiated keyring - Linux kernel (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• SUSE-SU-2016:0380 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2829-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2016:0354 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2843-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2016:0335 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SU-2015:2339 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SU-2015:2108 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:0185 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2840-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2016:0383 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2829-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2823-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2016:0386 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• RHSA-2016:0224 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SUSE-SU-2016:2074 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 1034472 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• SUSE-SU-2016:0384 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2843-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3396 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• openSUSE-SU-2016:1008 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SU-2016:0387 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2824-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 77544 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• SUSE-SU-2016:0381 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

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)

Badge for a README or a ticket

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Record last updated 6 Aug 2024, 08:06 UTC.