Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

EUVD-2026-45621

In the Linux kernel, the following vulnerability has been resolved: net/smc: reject CHID-0 ACCEPT that matches an empty ismdev slot On the SMC-D client, slot 0 of ini-ismdev/ini-ismchid is reserved for an SMC-Dv1 device. smcfindismv2deviceclnt populates V2 entries starting at index 1, so when no ...

CVE-2026-64030 wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check linkid in ieee80211mlepcs IEEE80211MLESTAEPCSCONTROLLINKID is 0x000f, so linkid extracted from a PRIOACCESS ML element PERSTAPROFILE subelement can be 0..15. sdata-link has IEEE80211MLDMAXNUMLINKS 15...

ALSA-2026:33285 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: atm: fix crash due to unvalidated vcc pointer in sigdsend CVE-2026-31411 kernel: tcp: fix potential race in tcpv6synrecvsock CVE-2026-43198 Bug Fixes and Enhancements: AlmaLinux 9.8...

CVE-2026-53292

Summary (CVE-2026-53292): The Linux kernel phonet subsystem contains a flaw in pn_socket_autobind() where, if pn_socket_bind() returns -EINVAL while the socket was never bound (pn_port() == 0) and sk states are not TCP_CLOSE, a BUG_ON() triggers a kernel panic from a user-triggerable path. The pa...

CVE-2026-53176

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

CVE-2026-46276

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix zero-size GDS range init on RDNA4 RDNA4 GFX 12 hardware removes the GDS, GWS, and OA on-chip memory resources. The gfxv120 initialisation code correctly leaves adev-gds.gdssize, adev-gds.gwssize, and adev-gds.oasi...

CVE-2026-46276 drm/amdgpu: fix zero-size GDS range init on RDNA4

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix zero-size GDS range init on RDNA4 RDNA4 GFX 12 hardware removes the GDS, GWS, and OA on-chip memory resources. The gfxv120 initialisation code correctly leaves adev-gds.gdssize, adev-gds.gwssize, and adev-gds.oasi...

CVE-2026-46276 drm/amdgpu: fix zero-size GDS range init on RDNA4

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix zero-size GDS range init on RDNA4 RDNA4 GFX 12 hardware removes the GDS, GWS, and OA on-chip memory resources. The gfxv120 initialisation code correctly leaves adev-gds.gdssize, adev-gds.gwssize, and adev-gds.oasi...

PT-2026-47348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the drm/amdgpu component where the kernel crashes during the modprobe of the amdgpu driver on RDNA4 GFX 12 hardware, such as the RX 9070 XT. This occurs because the amdg...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a crash that occurred due to out-of-bounds access to reg2btfids. When the commit e6ac2450d6de “bpf: Support bpf programs that call kernel functions” added support for kfunc, it defined reg2btfids as a convenient way...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed during prerouting, but nfttproxy does not check this. This fix resolves a crash null dereference that occurs when using tproxy from, for example, the output...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: - Do not allow gsosize to be set to GSOBYFRAGS. - A missing check in virtionethdrtoskb allowed syzbot to crash kernels again. Do not allow gsosize to be set to GSOBYFRAGS 0xffff, because this magic value is used by the kernel....

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: vsp1: Replace vb2isstreaming with vb2startstreamingcalled. The vsp1 driver uses the vb2isstreaming function in its .bufqueue handler to check whether the .startstreaming operation has been called. It then decides whether t...

SUSE CVE-2026-43412

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: qdsp6: Fix q6apm remove ordering during ADSP stop and start During ADSP stop and start, the kernel crashes due to the order in which ASoC components are removed. On ADSP stop, the q6apm-audio .remove callback unloads...

SUSE CVE-2026-43471

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix possible NULL pointer dereference in ufshcdaddcommandtrace The kernel log indicates a crash in ufshcdaddcommandtrace, due to a NULL pointer dereference when accessing hwq-id. This can happen if...

EUVD-2026-28714

In the Linux kernel, the following vulnerability has been resolved: ceph: add a bunch of missing cephpathinfo initializers cephmdscbuildpath must be called with a zero-initialized cephpathinfo parameter, or else the following cephmdscfreepathinfo may crash. Example crash on Linux 6.18.12:...

CVE-2026-31765

Summary: CVE-2026-31765 affects the Linux kernel AMDGPU driver. A mismatch between the reserved trap area (AMDGPU_VA_RESERVED_TRAP_SIZE) and the allocated KFD GPU memory on systems with 64KB pages can cause a kernel crash, including a NULL pointer dereference, when running certain GPU tests (e.g....

CVE-2026-31765 drm/amdgpu: Change AMDGPU_VA_RESERVED_TRAP_SIZE to 64KB

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Change AMDGPUVARESERVEDTRAPSIZE to 64KB Currently, AMDGPUVARESERVEDTRAPSIZE is hardcoded to 8KB, while KFDCWSRTBATMASIZE is defined as 2 PAGESIZE. On systems with 4K pages, both values match 8KB, so allocation and...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006662)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006662 advisory. In the Linux kernel, the following vulnerability has been resolved: ibmvnic: don't release napi in ibmvnicopen If ibmvnicopen encounters an error such as when settin...