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 breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected products
- The Linux Kernel Organization / linux0 – 6.0~rc1
References
- VENDOR_ADVISORYhttps://ubuntu.com/security/notices/USN-5566-1
- VENDOR_ADVISORYhttps://ubuntu.com/security/notices/USN-5564-1
- CONFIRMhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
- VENDOR_ADVISORYhttps://ubuntu.com/security/notices/USN-5567-1
- MISChttps://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
- MAILING_LISThttps://www.openwall.com/lists/oss-security/2022/08/09/7
- VENDOR_ADVISORYhttps://ubuntu.com/security/notices/USN-5565-1
Updated 17m ago · 8 sources