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CVE-2013-2596: Linux Kernel Integer Overflow Vulnerability

criticalknown exploitedpublic exploitCVE-2013-2596
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Linux kernel fb_mmap function in drivers/video/fbmem.c contains an integer overflow vulnerability that allows for privilege escalation.

CSIRTS triage

vendor: Linuxproduct: Linux KernelPrivilege escalation
What
The Linux kernel fb_mmap function contains an integer overflow vulnerability that allows for privilege escalation.
Who is affected
Deployments of the Linux kernel that utilize the fb_mmap function.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest kernel patches to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-09-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2013-2596

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2013-2596coverage & exploitation statusNVD · CVE.org

Recent advisories for Linux Kernel Integer

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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