← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2013-2094 exploited? Yes: in CISA KEV since 15 Sep 2022

Gociux · Linux Kernel · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2013-2094, Linux Kernel Privilege Escalation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 15 Sep 2022, 3411 days after it was published. It affects Linux Kernel. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 15 Sep 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity8.4CVSS 3.1 · high
US federal due6 Oct 2022BOD 22-01 deadline

What it is

Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

VendorLinux (32 exploited CVEs in KEV)
ProductKernel
VulnerabilityLinux Kernel Privilege Escalation Vulnerability
WeaknessCWE-189
Published14 May 2013
Added to KEV15 Sep 2022
Reported by (CNA)redhat

What to do

  1. Check whether you run it. Look for Kernel in your asset inventory, including appliances and cloud images. Stack check lists every exploited Linux CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 14 May 2013.
  4. Get told next time. Email alerts when CISA adds a CVE for Linux.

Other exploited CVEs in Kernel

References

Questions

Is CVE-2013-2094 being exploited?

Yes. CISA added CVE-2013-2094 to the Known Exploited Vulnerabilities catalog on 15 Sep 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2013-2094 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2013-2094?

Apply updates per vendor instructions. Check Linux's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Kernel and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2022 · Linux scorecard · act-now radar.

Running Linux in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →