Linux kernel 安全漏洞

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 insufficient atomic context detection and could lead to synchronized decompression under RCU lock...

rcu: Fix rcu_read_unlock() deadloop due to IRQ work

...

rcu: Protect ->defer_qs_iw_pending from data race

...

SUSE CVE-2025-39744

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to IRQ work During rcureadunlockspecial, if this happens during irqexit, we can lockup if an IPI is issued. This is because the IPI itself triggers the irqexit path causing a recursive lock up...

Security update for the Linux Kernel (Live Patch 42 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024170 fixes one issue. The following security issue was fixed: CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU bsc1246030. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate...

AZL-73947 CVE-2025-39749 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: rcu: Protect -deferqsiwpending from data race On kernels built with CONFIGIRQWORK=y, when rcureadunlock is invoked within an interrupts-disabled region of code 1, it will invoke rcureadunlockspecial, which uses an irq-work handle...

AZL-70807 CVE-2025-39744 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to IRQ work During rcureadunlockspecial, if this happens during irqexit, we can lockup if an IPI is issued. This is because the IPI itself triggers the irqexit path causing a recursive lock up...

CVE-2025-39749

The CVE-2025-39749 issue is in the Linux kernel’s RCU read-side handling: when IRQ work is used (CONFIG_IRQ_WORK=y) and rcu_read_unlock() runs in an interrupts-disabled region, irq-work can interrupt rcu_read_unlock_special(), creating a data race on the per-CPU defer_qs_iw_pending field. The fix...

CVE-2025-39744 rcu: Fix rcu_read_unlock() deadloop due to IRQ work

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to IRQ work During rcureadunlockspecial, if this happens during irqexit, we can lockup if an IPI is issued. This is because the IPI itself triggers the irqexit path causing a recursive lock up...

SUSE-SU-2025:20712-1 Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 - CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltr...

SUSE-SU-2025:20779-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_8

This update for kernel-livepatch-MICRO-6-0-RTUpdate8 fixes the following issues: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree twice bsc1244235 - CVE-2025-38000: schhfsc: Fix qlen...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_7

This update for kernel-livepatch-MICRO-6-0-RTUpdate7 fixes the following issues: CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree...

SUSE SLES15 Security Update : kernel (Live Patch 59 for SLE 15 SP3) (SUSE-SU-2025:03149-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2025:03149-1 advisory. This update for the Linux Kernel 5.3.18-15030059211 fixes one issue. The following security issue was fixed: - CVE-2025-38212: ipc: fix to protect IPC...

Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059211 fixes one issue. The following security issue was fixed: CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU bsc1246030. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate ...

SUSE-SU-2025:03149-1 Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059211 fixes one issue. The following security issue was fixed: - CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU bsc1246030...

Security update for the Linux Kernel RT (Live Patch 13 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-1506001044 fixes several issues. The following security issue was fixed: CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU bsc1246030. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupda...

RLSA-2025:13590 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security...

rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access

...

SUSE CVE-2025-39673

In the Linux kernel, the following vulnerability has been resolved: ppp: fix race conditions in pppfillforwardpath pppfillforwardpath has two race conditions: 1. The ppp-channels list can change between listempty and listfirstentry, as ppplock is not held. If the only channel is deleted in...

DEBIAN-CVE-2025-39673

In the Linux kernel, the following vulnerability has been resolved: ppp: fix race conditions in pppfillforwardpath pppfillforwardpath has two race conditions: 1. The ppp-channels list can change between listempty and listfirstentry, as ppplock is not held. If the only channel is deleted in...