CVE-2017-5551 (GCVE-0-2017-5551)
Vulnerability from cvelistv5 – Published: 2017-02-06 06:04 – Updated: 2024-08-05 15:04
VLAI
EPSS
VEX
Summary
The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-7097.
Severity
4.4 (Medium)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torva… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2017/01/21/3 | mailing-listx_refsource_MLIST |
| http://www.kernel.org/pub/linux/kernel/v4.x/Chang… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/95717 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=1416126 | x_refsource_CONFIRM |
| https://github.com/torvalds/linux/commit/497de07d… | x_refsource_CONFIRM |
| http://www.debian.org/security/2017/dsa-3791 | vendor-advisoryx_refsource_DEBIAN |
| http://www.securitytracker.com/id/1038053 | vdb-entryx_refsource_SECTRACK |
Date Public
2017-01-20 00:00
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