CVE-2013-1792

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 22 Mar 2013, 10:00
Last modified:06 Aug 2024, 15:13

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v2.0 (nvd)
EPSS Score
0.04% LOW
0% probability +0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Mar 2013, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 15:13
Last Modified
Vulnerability information updated

Description

Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.

CVSS Metrics

  • v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.04%• Percentile: 14%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • linux•linux_kernel

    ≤ 3.8.2 | 3.8.0 | 3.8.1

References (18)