What’s Vulnerable › Vulnerabilities

CVE-2016-1237

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-06-29 · updated 2026-06-17
• Weakness: CWE-284

Description

nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.

Affected products

• Linux kernel: through 4.6.3

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4
• http://www.debian.org/security/2016/dsa-3607
• http://www.openwall.com/lists/oss-security/2016/06/25/2
• http://www.securityfocus.com/bid/91456
• http://www.ubuntu.com/usn/USN-3053-1
• http://www.ubuntu.com/usn/USN-3070-1
• http://www.ubuntu.com/usn/USN-3070-2
• http://www.ubuntu.com/usn/USN-3070-3
• http://www.ubuntu.com/usn/USN-3070-4
• https://bugzilla.redhat.com/show_bug.cgi?id=1350845
• https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4

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