CVE-2011-2482: linux linux_kernel NULL Pointer Dereference
Vulnerability summary
CVE-2011-2482 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 3.77% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 08-06-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.77%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.77% 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
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel< 2.6.21
1 vendor · 1 product
References
6 links- bugzilla.redhat.com/show_bug.cgi?id=714867X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2011/08/30/1Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273dX Refsource CONFIRMPatchThird Party Advisory
- git.kernel.orgX Refsource CONFIRM