Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix potential CAN frame reception race in isotprcv CVE-2022-48830 kernel: soc: qcom: cmd-db: Map shared memory as WC, not WB CVE-2024-46689 kernel: Squashfs: sanity check...

SUSE-SU-2025:4001-1 Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-150700533 fixes several issues. The following security issues were fixed: - CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. - CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. - CVE-2025-38617:...

Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-150700533 fixes several issues. The following security issues were fixed: CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. CVE-2025-38617: net/packet: fi...

SUSE-SU-2025:3995-1 Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-150700536 fixes several issues. The following security issues were fixed: - CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. - CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. - CVE-2025-38617:...

The vulnerability of the io_link_timeout_fn() function in the fs/io_uring.c module of the Linux kernel’s file system support module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the iolinktimeoutfn function in the fs/iouring.c module of the Linux file system support module is related to incorrect input data validation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protecte...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-989765)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989765 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989933)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989933 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: fix memory leak of uid in files registration When there are no files for iosqefilesscm t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: Do not rely on user vaddr alignment. There is no guaranteed alignment for user pointers. However, the calculation of the offset from the first page to a folio after coalescing uses some strange bit mask logic;...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rsrc: fixed the issue of unpinning the head page of a folio. syzbot reports an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops – BUG: 00000000f2000800 1 SMP 108.123672 T...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: Ensure that the freeing of iokiocb is deferred to a later time for the RCU. syzbot reports that deferring or localizing the taskworkadd operation via msgring can result in a request being freed before it should b...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/futex: Ensure that iofutexwait properly cleans up in case of failure. The iofutexdata is allocated upfront and assigned to the iokiocb asyncdata field. However, the request is not marked with REQFASYNCDATA at that point...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/net: Commit partial buffers during retries The ring-provided buffers may only be valid within the single execution context in which they were acquired. iouring handles this by invalidating such buffers during retries...

Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-15070078 fixes several issues. The following security issues were fixed: CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. CVE-2025-38617: net/packet: fix...

SUSE-SU-2025:3886-1 Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-1507005 fixes several issues. The following security issues were fixed: - CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. - CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. - CVE-2025-38617: net/packet...

SUSE CVE-2025-40046

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix overshooting recv limit It's reported that sometimes a zcrx request can receive more than was requested. It's caused by iozcrxrecvskb adjusting desc-count for all received buffers including frag lists, but then...

SUSE CVE-2025-40047

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: always prune wait queue entry in iowaitidwait For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with...

Siemens SIMATIC Devices Use After Free (CVE-2023-3389)

A use-after-free vulnerability in the Linux Kernel iouring subsystem can be exploited to achieve local privilege escalation. Racing a iouring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59...

CVE-2025-40046

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix overshooting recv limit It's reported that sometimes a zcrx request can receive more than was requested. It's caused by iozcrxrecvskb adjusting desc-count for all received buffers including frag lists, but then...

CVE-2025-40046

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix overshooting recv limit It's reported that sometimes a zcrx request can receive more than was requested. It's caused by iozcrxrecvskb adjusting desc-count for all received buffers including frag lists, but then...

CVE-2025-40047

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: always prune wait queue entry in iowaitidwait For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with...