CVE-2012-2744: linux linux_kernel
Vulnerability summary
CVE-2012-2744 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 4.47% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.
Not severe (CVSS 7.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 09-08-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.47%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.47% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat19 products
- kernel< 0:2.6.32-71.40.1.el6 | < 0:2.6.32-131.30.1.el6
- kernel-bootwrapper< 0:2.6.32-71.40.1.el6 | < 0:2.6.32-131.30.1.el6
- kernel-debug< 0:2.6.32-71.40.1.el6 | < 0:2.6.32-131.30.1.el6
- kernel-debug-debuginfo< 0:2.6.32-71.40.1.el6 | < 0:2.6.32-131.30.1.el6
- kernel-debug-devel< 0:2.6.32-71.40.1.el6 | < 0:2.6.32-131.30.1.el6
Debian1 product
- linux< 2.6.34-1
Linux1 product
- linux_kernel≤ 2.6.33.20 | 2.6.33 | 2.6.33.1 | 2.6.33.2 | 2.6.33.3 | 2.6.33.4 | 2.6.33.5 | 2.6.33.6 | 2.6.33.7 | 2.6.33.8 | 2.6.33.9 | 2.6.33.10 | 2.6.33.11 | 2.6.33.12 | 2.6.33.13 | 2.6.33.14 | 2.6.33.15 | 2.6.33.16 | 2.6.33.17 | 2.6.33.18 | 2.6.33.19
3 vendors · 21 products
References
18 links- ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34X Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM