CVE-2025-38165 bpf, sockmap: Fix panic when calling skb_linearize

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix panic when calling skblinearize The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 Then a kernel panic was captured: ''' 657.460555 kernel BU...

CVE-2025-38165 bpf, sockmap: Fix panic when calling skb_linearize

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix panic when calling skblinearize The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 Then a kernel panic was captured: ''' 657.460555 kernel BU...

CVE-2025-38165

The CVE-2025-38165 vulnerability affects the Linux kernel’s bpf/sockmap path, causing a kernel panic when skb_linearize() is called. The root cause is a race-related interaction between backlog skb handling and skb release in the recvmsg path, previously mitigated by skb_get() in the backlog, whi...

CVE-2025-38154

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending The sk-sksocket is not locked or referenced in backlog thread, and during the call to skbsendsock, there is a race condition with the release of sksocket. All types of...

CVE-2025-38154

CVE-2025-38154 affects the Linux kernel sockmap path (bpf/sockmap) where sk->sk_socket can be used after free due to a race with backlog/thread close paths. The description in the connected documents explains that sk_socket is not locked/referenced in the backlog, enabling a race with the rele...

CVE-2025-38112

CVE-2025-38112 (Linux kernel) : A TOCTOU race in sk_is_readable() can occur when a socket resides in a sockmap. If sk->sk_prot is reloaded after the initial check, sk->sk_prot->sock_is_readable may have become NULL, causing a potential null pointer dereference. The issue stems from the f...

CVE-2025-38154: Use After Free

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending The sk-sksocket is not locked or referenced in backlog thread, and during the call to skbsendsock, there is a race condition with the release of sksocket. All types of...

PT-2025-27698

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A Time-of-Check-to-Time-of-Use TOCTOU issue exists in the sk is readable function. The sk-sk prot-sock is readable function pointer is valid when sk resides in a sockmap. However, afte...

CVE-2025-38166: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: fix ktls panic with sockmap 2172.936997 ------------ cut here ------------ 2172.936999 kernel BUG at lib/ioviter.c:629! ...... 2172.944996 PKRU: 55555554 2172.945155 Call Trace: 2172.945299 2172.945428 ? die+0x36/0x90...

CVE-2025-38165: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix panic when calling skblinearize The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 Then a kernel panic was captured: ''' 657.460555 kernel BU...

SUSE CVE-2022-49973

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

DEBIAN-CVE-2022-49973

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

UBUNTU-CVE-2022-49973

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

CVE-2022-49973: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: sockmap, vsock: For connectible sockets, only those that are already connected should be allowed. sockmap expects all vsocks to have a transport assigned, as specified in vsockproto::psockupdateskprot. However, there is an edge...

SUSE-SU-2025:20344-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. - CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in...

PT-2025-27739

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition exists in the Linux kernel's bpf and sockmap functionality. The issue arises when the sk-sk socket is not locked or referenced in the backlog thread, and during the ca...

SUSE CVE-2022-49877

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix the sk-skforwardalloc warning of skstreamkillqueues When running testsockmap selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace:...

CVE-2023-53133

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix an infinite loop error when len is 0 in tcpbpfrecvmsgparser When the buffer length of the recvmsg system call is 0, we got the flollowing soft lockup problem: watchdog: BUG: soft lockup - CPU3 stuck for 27s!...

SUSE CVE-2023-53133

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix an infinite loop error when len is 0 in tcpbpfrecvmsgparser When the buffer length of the recvmsg system call is 0, we got the flollowing soft lockup problem: watchdog: BUG: soft lockup - CPU3 stuck for 27s!...