CVE-2013-4312
CVE-2013-4312 is a medium-severity vulnerability in Oracle Linux with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- CVSS v2: 4.9
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Oracle Linux
- Published:
- Last modified:
Description
The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c.
Frequently asked questions
- What is CVE-2013-4312?
- The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c.
- How severe is CVE-2013-4312?
- CVE-2013-4312 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2013-4312 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-4312?
- CVE-2013-4312 primarily affects Oracle Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-4312?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-4312 published?
- CVE-2013-4312 was published on 2016-02-08 and last updated on 2026-06-16.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=712f4aad406bb1ed67f3f98d04c044191f0ff593
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://rhn.redhat.com/errata/RHSA-2016-0855.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://www.debian.org/security/2016/dsa-3448
- http://www.debian.org/security/2016/dsa-3503
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/82986
- http://www.ubuntu.com/usn/USN-2929-1
- http://www.ubuntu.com/usn/USN-2929-2
- http://www.ubuntu.com/usn/USN-2931-1
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1297813
- https://github.com/torvalds/linux/commit/712f4aad406bb1ed67f3f98d04c044191f0ff593
- https://security-tracker.debian.org/tracker/CVE-2013-4312
Affected products (4)
- cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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