Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: pm: fixed a memory leak caused by a race between allocation and destruction. In mptcppmDestroy, msk-pmannolist and msk-pm.userspacepmlocaladdrlist are emptied under msk-pm.lock during socket teardown. This causes a race...

CVE-2026-80784

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix memory leak from alloc-during-teardown race mptcppmdestroy empties msk-pm.annolist and msk-pm.userspacepmlocaladdrlist under msk-pm.lock during socket teardown, dropping the lock between the two. A concurrent...

EUVD-2026-71427

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix memory leak from alloc-during-teardown race mptcppmdestroy empties msk-pm.annolist and msk-pm.userspacepmlocaladdrlist under msk-pm.lock during socket teardown, dropping the lock between the two. A concurrent...

PT-2026-69569

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF issue exists in the mptcp pm userspace get local id function. The problem occurs because an address entry is looked up while holding a spinlock, but the entry's ID i...

AZL-77679 CVE-2026-23169 affecting package kernel for versions less than 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcppmnlflushaddrsdoit syzbot and Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup Root cause is listspliceinit in mptcppmnlflushaddrsdoit which is not RCU ready. listspliceinitrcu c...

Moderate: Red Hat Security Advisory: kernel:4.18.0 security update

An update for the kernel:4.18.0 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

PT-2024-33918

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.12.0-rc2 Description: A use-after-free read vulnerability has been identified in the Linux kernel, specifically in the mptcp pm nl rm addr or subflow function. This issue was reported by Syzkaller and is relat...

CVE-2024-46858

CVE-2024-46858 in the Linux kernel fixes a local UAF race in mptcp_pm_del_add_timer. Two paths can access mptcp_pm_del_add_timer concurrently (CPU1 in PM code path vs CPU2 in netlink/ip stack path), leading to use-after-free when a timer entry is freed after leaving the critical region. The patch...

PT-2024-8426

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a data race condition in the mptcp component of the Linux kernel, which can be exploited to manipulate data. The vulnerability is associated with the remote id an...