CVE-2026-68284

A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the tcpbpfsendmsg function within the BPF Berkeley Packet Filter and sockmap components. This flaw occurs when two threads attempt to send data on the same socket concurrently, leading to an incorrect memory...

UBUNTU-CVE-2026-68284

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its error path tries to decide whether msgtx names the local temporary messag...

CVE-2026-68284

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its error path tries to decide whether msgtx names the local temporary messag...

CVE-2026-68284 bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its error path tries to decide whether msgtx names the local temporary messag...

Linux Distros Unpatched Vulnerability : CVE-2026-68284

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its erro...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a memory leak in skpsockqueuemsg. If tcpbpfsendmsg is running during a cleanup operation, we might enqueue data onto the ingress msg queue while trying to free it. sk1 redirected to sk2 -------------------...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-396439)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-396439 advisory. In the Linux kernel, the following vulnerability has been resolved: tcpbpf: fix return value of tcpbpfsendmsg When we cork messages in psock-cork, the last message...

EUVD-2022-55017

Malicious code in bioql PyPI...

CVE-2022-49207

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in skpsockqueuemsg If tcpbpfsendmsg is running during a tear down operation we may enqueue data on the ingress msg queue while tear down is trying to free it. sk1 redirect sk2 sk2 -------------------...

DEBIAN-CVE-2022-49207

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in skpsockqueuemsg If tcpbpfsendmsg is running during a tear down operation we may enqueue data on the ingress msg queue while tear down is trying to free it. sk1 redirect sk2 sk2 -------------------...

CVE-2022-49209

CVE-2022-49209 concerns a memleak in the Linux kernel related to bpf/sockmap path when sk_msg_alloc() returns -ENOMEM during tcp_bpf_sendmsg and related paths (e.g., tls_sw_sendmsg). The root cause is partial memory allocation (msg_tx->sg.size > osize) leaving allocated memory unreleased if...

CVE-2022-49209

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in tcpbpfsendmsg while sk msg is full If tcpbpfsendmsg is running while sk msg is full. When skmsgalloc returns -ENOMEM error, tcpbpfsendmsg goes to waitformemory. If partial memory has been alloced by...

CVE-2022-49209 bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in tcpbpfsendmsg while sk msg is full If tcpbpfsendmsg is running while sk msg is full. When skmsgalloc returns -ENOMEM error, tcpbpfsendmsg goes to waitformemory. If partial memory has been alloced by...

CVE-2022-49209 bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in tcpbpfsendmsg while sk msg is full If tcpbpfsendmsg is running while sk msg is full. When skmsgalloc returns -ENOMEM error, tcpbpfsendmsg goes to waitformemory. If partial memory has been alloced by...

CVE-2022-49205 bpf, sockmap: Fix double uncharge the mem of sk_msg

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix double uncharge the mem of skmsg If tcpbpfsendmsg is running during a tear down operation, psock may be freed. tcpbpfsendmsg tcpbpfsendverdict skmsgreturn tcpbpfsendmsgredir unlikely!psock skmsgfree The mem of m...

CVE-2022-49205 bpf, sockmap: Fix double uncharge the mem of sk_msg

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix double uncharge the mem of skmsg If tcpbpfsendmsg is running during a tear down operation, psock may be freed. tcpbpfsendmsg tcpbpfsendverdict skmsgreturn tcpbpfsendmsgredir unlikely!psock skmsgfree The mem of m...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates in the skmemuncharge logic of the tcpbpfsendmsg function in the tcpbpf module...

CVE-2024-56633

The CVE-2024-56633 issue in the Linux kernel relates to tcp_bpf_sendmsg and the sk_mem_uncharge accounting in __SK_REDIRECT. The current approach pre-uncharges tosend bytes (msg->sg.size or apply_bytes), which can lead to under/over charging if actual sent bytes differ or if ret < 0. The ci...

CVE-2024-56633 tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg The current sk memory accounting logic in SKREDIRECT is pre-uncharging tosend bytes, which is either msg-sg.size or a smaller value applybytes. Potential problems with this...

CVE-2024-46783

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: fix return value of tcpbpfsendmsg When we cork messages in psock-cork, the last message triggers the flushing will result in sending a skmsg larger than the current message size. In this case, in tcpbpfsendverdict, 'copie...