CVE-2015-7550
- State
- Published
- Severity
- Not scored
- Published
- Feb 8, 2016
- Updated
- Aug 6, 2024
- Reserved
- Sep 29, 2015
Description
The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- 79903vdb-entry
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.4
- USN-2911-1vendor-advisory
- USN-2890-3vendor-advisory
- SUSE-SU-2016:1102vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1291197
- https://github.com/torvalds/linux/commit/b4a1b4f5047e4f54e194681125c74c0aa64d637d
- USN-2911-2vendor-advisory
- SUSE-SU-2016:2074vendor-advisory
- USN-2890-2vendor-advisory
- https://security-tracker.debian.org/tracker/CVE-2015-7550
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b4a1b4f5047e4f54e194681125c74c0aa64d637d
- USN-2890-1vendor-advisory
- DSA-3434vendor-advisory
- USN-2888-1vendor-advisory
- SUSE-SU-2016:0911vendor-advisory
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