Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a possible use-after-free issue in ftracelocation. KASAN reports a bug: BUG: KASAN: use-after-free in ftracelocation+0x90/0x120 Reading an 8-byte value at address ffff888141d40010 by task insmod/424 CPU: 8 PID: 4...

Azure Linux 3.0 Security Update: kernel (CVE-2024-36971)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36971 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: fix dstnegativeadvice race...

Azure Linux 3.0 Security Update: kernel (CVE-2024-47712)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-47712 advisory. - In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU...

PT-2025-8871

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential issue in the Linux kernel has been identified, related to the igmp6 send function. This function can be called without the necessary synchronization, potentially leading to a...

PT-2025-8872

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the IPv6 protocol implementation within the net/ipv6/ndisc.c module. The ndisc send skb function can be called without holding the RTNL Routing Netli...

Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-41014: xfs: add bounds checking to xlogrecoverprocessdata bsc1228408. CVE-2024-41013: xfs: do not walk off the end of a directory data block bsc1228405...

CVE-2025-21677

In the Linux kernel, the following vulnerability has been resolved: pfcp: Destroy device along with udp socket's netns dismantle. pfcpnewlink links the device to a list in devnetdev instead of net, where a udp tunnel socket is created. Even when net is removed, the device stays alive on devnetdev...

mptcp: init: protect sched with rcu_read_lock

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CVE-2025-21664

In the Linux kernel, the following vulnerability has been resolved: dm thin: make getfirstthin use rcu-safe list first function The documentation in rculist.h explains the absence of listemptyrcu and cautions programmers against relying on a listempty - listfirst sequence in RCU safe code. This i...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when CVE-2023-52926 In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed overflow check in mienumattr CVE-2024-27407 I...

CVE-2025-21664

In the Linux kernel, the following vulnerability has been resolved: dm thin: make getfirstthin use rcu-safe list first function The documentation in rculist.h explains the absence of listemptyrcu and cautions programmers against relying on a listempty - listfirst sequence in RCU safe code. This i...

CVE-2025-21664

CVE-2025-21664 affects the Linux kernel dm-thin component. Root cause: get_first_thin did a non-RCU-safe sequence (list_empty -> list_first) that could race with concurrent updates, risking dereferencing a stale/altered list head during process_deferred_bios flow and leading to a crash. Connec...

CVE-2025-21664 dm thin: make get_first_thin use rcu-safe list first function

In the Linux kernel, the following vulnerability has been resolved: dm thin: make getfirstthin use rcu-safe list first function The documentation in rculist.h explains the absence of listemptyrcu and cautions programmers against relying on a listempty - listfirst sequence in RCU safe code. This i...

CVE-2025-21664 dm thin: make get_first_thin use rcu-safe list first function

In the Linux kernel, the following vulnerability has been resolved: dm thin: make getfirstthin use rcu-safe list first function The documentation in rculist.h explains the absence of listemptyrcu and cautions programmers against relying on a listempty - listfirst sequence in RCU safe code. This i...

CVE-2025-21664

In the Linux kernel, the following vulnerability has been resolved: dm thin: make getfirstthin use rcu-safe list first function The documentation in rculist.h explains the absence of listemptyrcu and cautions programmers against relying on a listempty - listfirst sequence in RCU safe code. This i...

SUSE CVE-2023-52923

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: adapt set backend to use GC transaction API Use the GC transaction API to replace the old and buggy gc API and the busy mark approach. No set elements are removed from async garbage collection anymore, instea...

SUSE CVE-2025-21655

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: ensure ioeventfdsignal defers another RCU period ioeventfddosignal is invoked from an RCU callback, but when dropping the reference to the ioevfd, it calls ioeventfdfree directly if the refcount drops to zero. Th...

CVE-2025-21655

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: ensure ioeventfdsignal defers another RCU period ioeventfddosignal is invoked from an RCU callback, but when dropping the reference to the ioevfd, it calls ioeventfdfree directly if the refcount drops to zero. Th...

CVE-2025-21655 io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: ensure ioeventfdsignal defers another RCU period ioeventfddosignal is invoked from an RCU callback, but when dropping the reference to the ioevfd, it calls ioeventfdfree directly if the refcount drops to zero. Th...