SUSE-SU-2025:02602-1 Security update for the Linux Kernel RT (Live Patch 8 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001026 fixes several issues. The following security issues were fixed: - CVE-2025-37797: netsched: hfsc: Fix a UAF vulnerability in class handling bsc1245793. - CVE-2025-37752: netsched: schsfq: move the limit validation bsc1245776. - CVE-2025-21702:...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

SUSE CVE-2025-38392

In the Linux kernel, the following vulnerability has been resolved: idpf: convert control queue mutex to a spinlock With VIRTCHNL2CAPMACFILTER enabled, the following warning is generated on module load: 324.701677 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578...

SUSE CVE-2025-38471

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

CVE-2025-38471

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

DEBIAN-CVE-2025-38471

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

AZL-65949 CVE-2025-38471 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

UBUNTU-CVE-2025-38471

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

CVE-2025-38492 netfs: Fix race between cache write completion and ALL_QUEUED being set

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix race between cache write completion and ALLQUEUED being set When netfslib is issuing subrequests, the subrequests start processing immediately and may complete before we reach the end of the issuing function. At the en...

CVE-2025-38492

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix race between cache write completion and ALLQUEUED being set When netfslib is issuing subrequests, the subrequests start processing immediately and may complete before we reach the end of the issuing function. At the en...

CVE-2025-38471

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

CVE-2025-38471 tls: always refresh the queue when reading sock

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...

CVE-2025-38468 net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

kernel: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rqqoswait vs. rqqoswakefunction race We're seeing crashes from rqqoswakefunction that look like this: BUG: unable to handle page fault for address: ffffafe180a40084 PF: supervisor write access in kernel...

Linux kernel find_lowest_rq function DoS

The vulnerability of the findlowestrq and findlocklowestrq functions in the Linux operating system’s kernel is related to improper locking of resources. Exploiting this vulnerability can allow an attacker to cause service failures...

Linux Kernel Security Vulnerabilities

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 the Linux kernel that stems from a failure to refresh the queue when reading sockets by TLS, which could lead to the use of a freed skb...

drupwn

This is an offensive tool for Drupal enumeration and exploitation. The tool, named Drupwn, is designed to automate Drupal information gathering and exploitation. It can be run in two modes: enum and exploit. The enum mode allows performing enumerations, while the exploit mode allows checking and...

SUSE CVE-2025-38379

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning when reconnecting channel When reconnecting a channel in smb2reconnectserver, a dummy tcon is passed down to smb2reconnect with -queryinterface uninitialized, so we can't call queuedelayedwork on it. Fix...