kernel: ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find()

A flaw was found in the Linux kernel's IPv4 tunneling subsystem. A local user can trigger an improper lock validation condition during IP tunnel lookup operations when managing network links. This issue generates a suspicious lock warning that can result in a Denial of Service DoS on systems...

kernel: mptcp: init: protect sched with rcu_read_lock

In the Linux kernel, the following vulnerability has been resolved: mptcp: init: protect sched with rcureadlock Enabling CONFIGPROVERCULIST with its dependence CONFIGRCUEXPERT creates this splat when an MPTCP socket is created: ============================= WARNING: suspicious RCU usage 6.12.0-rc...

CVE-2023-53099

In the Linux kernel, the following vulnerability has been resolved: firmware: xilinx: don't make a sleepable memory allocation from an atomic context The following issue was discovered using lockdep: 6.691371 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209...

SUSE CVE-2023-53099

In the Linux kernel, the following vulnerability has been resolved: firmware: xilinx: don't make a sleepable memory allocation from an atomic context The following issue was discovered using lockdep: 6.691371 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209...

SUSE CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

AZL-69677 CVE-2025-23143 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

DEBIAN-CVE-2025-23144

In the Linux kernel, the following vulnerability has been resolved: backlight: ledbl: Hold ledaccess lock when calling ledsysfsdisable Lockdep detects the following issue on led-backlight removal: 142.315935 ------------ cut here ------------ 142.315954 WARNING: CPU: 2 PID: 292 at...

DEBIAN-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

UBUNTU-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

CVE-2025-23143

CVE-2025-23143 is a Linux kernel issue where unloading a module (e.g., CIFS/NFS) can race with a TCP socket still alive, leading to a NULL pointer dereference in lockdep when hlock_class() is called after the module is gone. The root cause is that CIFS assigns a different lock class to the socket...

CVE-2025-23144: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: backlight: ledbl: Hold ledaccess lock when calling ledsysfsdisable Lockdep detects the following issue on led-backlight removal: 142.315935 ------------ cut here ------------ 142.315954 WARNING: CPU: 2 PID: 292 at...

CVE-2025-23143: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

DEBIAN-CVE-2025-22119

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: init wiphywork before allocating rfkill fails syzbort reported a uninitialize wiphyworklock in cfg80211devfree. 1 After rfkill allocation fails, the wiphy release process will be performed, which will cause...

DEBIAN-CVE-2025-21986

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Convert blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding / removing...

CVE-2025-21986: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Convert blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding / removing...

CVE-2025-21889

In the Linux kernel, the following vulnerability has been resolved: perf/core: Add RCU read lock protection to perfiteratectx The perfiteratectx function performs RCU list traversal but currently lacks RCU read lock protection. This causes lockdep warnings when running perf probe with unshare1...

SUSE CVE-2022-49742

In the Linux kernel, the following vulnerability has been resolved: f2fs: initialize locks earlier in f2fsfillsuper syzbot is reporting lockdep warning at f2fshandleerror 1, for spinlock&sbi-errorlock is called before spinlockinit is called. For safe locking in error handling, move initialization...

SUSE CVE-2023-53022

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid deadlock in enetctxonesteptstamp This lockdep splat says it better than I could: ================================ WARNING: inconsistent lock state 6.2.0-rc2-07010-ga9b9500ffaac-dirty 967 Not tainted...

SUSE CVE-2025-21875

In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sockownedbyme include/net/sock.h:1711 inline WARNING: CP...