CVE-2012-4444
The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.
02 Description
The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.58% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-12-21 11:00Z13 YR AGO
- Last updated
- 2024-08-06 20:35Z2 YR AGO
- Reserved
- 2012-08-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- ca65b56828e1eceda04347573f6ae7e923e4996448a1cc189d4f1db37512ca02
05 Affected products
06 References
- ftp.osuosl.orghttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
- lists.opensuse.orgSUSE-SU-2013:0856http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00000.html
- rhn.redhat.comRHSA-2012:1580http://rhn.redhat.com/errata/RHSA-2012-1580.html
- www.openwall.com[oss-security] 20121109 Re: CVE request --- acceptation of overlapping ipv6 fragmentshttp://www.openwall.com/lists/oss-security/2012/11/09/2
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=874835
- github.comhttps://github.com/torvalds/linux/commit/70789d7052239992824628db8133de08dc78e593
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70789d7052239992824628db8133de08dc78e593
- media.blackhat.comhttps://media.blackhat.com/bh-eu-12/Atlasis/bh-eu-12-Atlasis-Attacking_IPv6-WP.pdf
- www.ubuntu.comUSN-1661-1http://www.ubuntu.com/usn/USN-1661-1
- www.ubuntu.comUSN-1660-1http://www.ubuntu.com/usn/USN-1660-1
07 Fixed in
Debian 12
- linux Fixed in 2.6.36-1~experimental.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 2.6.36-1~experimental.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 2.6.36-1~experimental.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.