Vulnerability in Linux Kernel
CVE-2012-4508
Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.
Vulnerability class: Race Condition
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (19.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% 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 3.0, 3.0.1, 3.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/
- rhn.redhat.com/errata/RHSA-2012-1540.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-0496.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1783.html (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
- www.ubuntu.com/usn/USN-1645-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1899-1 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1519.html (vendor-advisory)
- www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html (vendor-advisory)
- github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531 (Patch)
Frequently asked questions
- What is CVE-2012-4508?
- CVE-2012-4508 is a vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2012-12-21.
- Is CVE-2012-4508 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.