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CVE-2015-8539
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted…
High7.8EPSS 0.42%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.42% · top 63% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (24)
- SUSE-SU-2016:0337 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1284450 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:0181 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:0434 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096fe9eaea40a17e125569f9e657e34cdb6d73bd (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/torvalds/linux/commit/096fe9eaea40a17e125569f9e657e34cdb6d73bd (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151208 CVE request - Linux kernel - Fix handling of stored error in a negatively instantiated user key (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SUSE-SU-2016:0380 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2018:0152 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:0335 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1102 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0383 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0386 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0339 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2018:0151 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:2074 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0384 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3798-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:0387 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0336 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3798-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:0381 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1937 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0911 (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)
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[](https://trackcve.app/cve/CVE-2015-8539)Record last updated .