kernel: bluetooth/l2cap: sync sock recv cb and release

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600105 fixes several issues. The following security issues were fixed: CVE-2024-57882: mptcp: fix TCP options overflow. bsc1235916. CVE-2024-41062: Sync sock recv cb and release bsc1228578. Patch Instructions: To install this SUSE update use the SUSE...

Linux Distros Unpatched Vulnerability : CVE-2021-46925

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099...

CVE-2025-21755

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2025-21755

CVE-2025-21755 is rejected/not used per the Initial Description.

SUSE CVE-2024-56642

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free of UDP kernel socket in cleanupbearer without repro. 01 When bearerdisable calls tipcudpdisable, cleanup of the UDP kernel socket is...

AZL-55163 CVE-2024-56642 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free of UDP kernel socket in cleanupbearer without repro. 01 When bearerdisable calls tipcudpdisable, cleanup of the UDP kernel socket is...

LSN-0108-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and cryptoaeaddecrypt returns -EBUSY, tlsdodecryption will wait until all async decryptions have completed. If one of them fails,...

kernel: inet: inet_defrag: prevent sk release while still in use

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

LSN-0107-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

SUSE CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

UBUNTU-CVE-2022-49018

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

UBUNTU-CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

The vulnerability of the sk_common_release() function in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the skcommonrelease function in the net/core/sock.c module of the Linux kernel is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

UBUNTU-CVE-2024-44946

In the Linux kernel, the following vulnerability has been resolved: kcm: Serialise kcmsendmsg for the same socket. syzkaller reported UAF in kcmrelease. 0 The scenario is 1. Thread A builds a skb with MSGMORE and sets kcm-seqskb. 2. Thread A resumes building skb from kcm-seqskb but is blocked by...

kernel: inet: inet_defrag: prevent sk release while still in use

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

kernel: tcp: properly terminate timers for kernel sockets

In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing after the corresponding netns has been dismantled. Fortunately Josef Bacik could trigger the issue more often, and could test...

kernel: inet: inet_defrag: prevent sk release while still in use

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

SUSE CVE-2024-41062

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

SUSE CVE-2024-40954

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...