6 matches found
CVE-2026-52910
A flaw was found in the Linux kernel's Berkeley Packet Filter BPF reuseport mechanism. When a cBPF program is detached from a reuseport group, it is freed immediately without waiting for Read-Copy-Update RCU readers to complete. This can lead to a use-after-free condition, resulting in memory...
AZL-56333 CVE-2025-21683 affecting package kernel for versions less than 6.6.76.1-1
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...
AZL-56268 CVE-2025-21683 affecting package kernel for versions less than 5.15.180.1-1
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...
DEBIAN-CVE-2025-21683
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...
UBUNTU-CVE-2025-21683
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...
CVE-2025-21683 bpf: Fix bpf_sk_select_reuseport() memory leak
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...