Vulnerability in Linux Kernel
CVE-2013-1792
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.7 (Medium). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (19.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel — versions 3.8.0, 3.8.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-1796-1 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html (vendor-advisory)
- github.com/torvalds/linux/commit/0da9dfdd2cd9889201bc6f6f43580c99165cd087
- www.mandriva.com/security/advisories (vendor-advisory)
- www.ubuntu.com/usn/USN-1797-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1788-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2013/03/07/1 (mailing-list)
- www.ubuntu.com/usn/USN-1793-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1792-1 (vendor-advisory)
- git.kernel.org/
Frequently asked questions
- What is CVE-2013-1792?
- CVE-2013-1792 is a vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2013-03-22.
- Is CVE-2013-1792 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.