Known exploited vulnerability
CVE-2013-2094
The short answer
CVE-2013-2094 affects n/a n/a and is rated high (CVSS 8.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-15: attackers are using it, so patch it first.
What it is
The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.
Weakness: CWE-189.
Severity
8.4 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Sep 15, 2022
Federal due date Oct 6, 2022
EPSS, next 30 days
48%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- bugzilla.redhat.com/show_bug.cgi?id=962792 Issue Tracking
- github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f Third Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=962792 Issue Tracking
- github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094 US Government Resource
Questions
Is CVE-2013-2094 being exploited?
Yes. CISA added CVE-2013-2094 to its Known Exploited Vulnerabilities catalog on 2022-09-15, with a federal remediation due date of 2022-10-06.
How do I fix CVE-2013-2094?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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