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CVE-2016-0728
The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a…
High7.8Public exploitEPSS 3.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 39277 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By redhat
- 54 days later
· 54 days later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 3.5% · top 11% of all CVEs (8 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
- n/a
Affected products
n/a
- affected n/a
References (42)
- 1034701 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SU-2016:0750 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2871-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2016:0068 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:0205 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2870-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:0751 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2872-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:0747 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:0755 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2872-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/ (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:0757 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2871-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:0753 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 39277 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- FEDORA-2016-b59fd603be (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://source.android.com/security/bulletin/2016-03-01.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:0746 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 81054 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-2873-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1297475 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2016-5d43766e33 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- SUSE-SU-2016:0745 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2016:0065 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-2870-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:0756 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bto.bluecoat.com/security-advisory/sa112 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2872-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-3448 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://security.netapp.com/advisory/ntap-20160211-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:0064 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- HPSBHF03436 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:0752 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0341 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20160119 Linux kernel: use after free in keyring facility. (opens in a new tab)mailing-listx_refsource_MLISTx_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://cveledger.app/cve/CVE-2016-0728)Record last updated .