CVE-2023-52447: bpf: Defer the free of inner map when necessary
Published Feb 22, 2024
·Updated
bpf: Defer the free of inner map when necessary
Affected Software
11 affected componentsFixes available
Linux Linux kernel>=5.9.0<5.10.214
Linux Linux kernel>=5.11<5.15.153
Linux Linux kernel>=5.16<6.1.75
Linux Linux kernel>=6.2<6.6.14
Linux Linux kernel>=6.7<6.7.2
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Microsoft cbl2 kernel 5.15.164.1-1
Microsoft cbl2 hyperv-daemons 5.15.153.1-1
Microsoft cbl2 hyperv-daemons 5.15.148.2-1
Microsoft cbl2 kernel 5.15.164.1-1
Microsoft cbl2 kernel 5.15.158.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
Event History
Feb 22, 2024
CVE Published
via MITRE·04:21 PM
Data Sourced
via MITRE·04:21 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Mar 4, 2024
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
May 2, 2024
Data Sourced
via Launchpad·10:02 PM
Description
Apr 29, 2025
Data Sourced
via Ubuntu·05:33 AM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-52447?
CVE-2023-52447 has a high severity rating due to the potential access issues of inner maps in the Linux kernel.
2
How do I fix CVE-2023-52447?
To fix CVE-2023-52447, you should update to the recommended patched versions of the Linux kernel.
3
Which versions of the Linux kernel are affected by CVE-2023-52447?
CVE-2023-52447 affects Linux kernel versions between 5.9.0 and 6.7.2.
4
What types of programs may be impacted by CVE-2023-52447?
CVE-2023-52447 may impact both non-sleepable and sleepable programs due to the inner map accessibility.
5
Is there a specific kernel patch for CVE-2023-52447?
Yes, specific patches for CVE-2023-52447 include the versions such as 5.10.223-1, 6.1.123-1, and 6.12.11-1.