CVE-2022-2585

Summary

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.

Affected Software

Weaknesses

• CWE-416: CWE-416

ADP Enrichment

CVE Program Container

Additional References

• https://ubuntu.com/security/notices/USN-5566-1
• https://ubuntu.com/security/notices/USN-5564-1
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
• https://ubuntu.com/security/notices/USN-5567-1
• https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
• https://www.openwall.com/lists/oss-security/2022/08/09/7
• https://ubuntu.com/security/notices/USN-5565-1

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://ubuntu.com/security/notices/USN-5566-1
• https://ubuntu.com/security/notices/USN-5564-1
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
• https://ubuntu.com/security/notices/USN-5567-1
• https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
• https://www.openwall.com/lists/oss-security/2022/08/09/7
• https://ubuntu.com/security/notices/USN-5565-1

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