CVE-2025-21683: bpf: Fix bpf_sk_select_reuseport() memory leak
Published Jan 31, 2025
·Updated
bpf: Fix bpfskselectreuseport() memory leak
Affected Software
19 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.8<5.15.177
Linux Linux kernel>=5.16<6.1.127
Linux Linux kernel>=6.2<6.6.74
Linux Linux kernel>=6.7<6.12.11
Linux Linux kernel=6.13-rc1
Linux Linux kernel=6.13-rc2
Linux Linux kernel=6.13-rc3
Linux Linux kernel=6.13-rc4
Linux Linux kernel=6.13-rc5
Linux Linux kernel=6.13-rc6
Linux Linux kernel=6.13-rc7
debian/linux<=5.10.223-1
5.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
debian/linux-6.1
6.1.129-1~deb11u1
Microsoft cbl2 kernel 5.15.176.3-3
Microsoft cbl2 kernel 5.15.176.3-3
Microsoft cbl2 kernel 5.15.180.1-1
Microsoft azl3 kernel 6.6.64.2-9
Microsoft azl3 kernel 6.6.76.1-1
Remediation
Event History
Jan 31, 2025
CVE Published
via MITRE·11:25 AM
Data Sourced
via MITRE·11:25 AM
Description
Data Sourced
via NVD·12:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Mar 14, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
Description
May 2, 2025
Data Sourced
via Ubuntu·11:49 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-21683?
CVE-2025-21683 has a medium severity rating due to its impact on memory management in the Linux kernel.
2
How do I fix CVE-2025-21683?
To fix CVE-2025-21683, you should apply the latest patches provided by the Linux kernel updates.
3
What does CVE-2025-21683 affect?
CVE-2025-21683 affects the Linux kernel, specifically the bpf_sk_select_reuseport function.
4
What type of vulnerability is CVE-2025-21683?
CVE-2025-21683 is classified as a memory leak vulnerability in the Linux kernel.
5
When was CVE-2025-21683 disclosed?
CVE-2025-21683 was disclosed in recent kernel revisions addressing memory management issues.