High severity · published Jan 8, 2024
CVE-2022-2585
It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free
7.8
CVSS
1.3%
EPSS
No
On KEV
Description
It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.7 before 5.10.137; 5.11 before 5.15.61; 5.16 before 5.18.18; 5.19 before 5.19.2 · source: NVD
LI
linux · The Linux Kernel Organization
before 6.0~rc1 · source: vendor
UL
Ubuntu Linux · Canonical
20.04; 22.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2585
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2585
Third Party Advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
Mailing List
https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
Third Party Advisory
https://ubuntu.com/security/notices/USN-5564-1
Third Party Advisory
https://ubuntu.com/security/notices/USN-5565-1
Third Party Advisory
https://ubuntu.com/security/notices/USN-5566-1
Third Party Advisory
https://ubuntu.com/security/notices/USN-5567-1
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