PT-2026-37425

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tiny SRCU Sleep-based Read-Copy-Update implementation where the srcu gp start if needed function directly calls schedule work. This sequence acquires the pool-lock...

EUVD-2026-27363

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

CVE-2026-43065 ext4: always drain queued discard work in ext4_mb_release()

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

CVE-2026-43065

CVE-2026-43065 concerns the Linux kernel ext4 subsystem. The issue arises in ext4_mb_release() where, if a filesystem is mounted with -o discard and files are deleted, sbi->s_discard_list accumulates and s_discard_work is queued; if the filesystem is later remounted with nodiscard and the EXT4...

CVE-2026-43065 ext4: always drain queued discard work in ext4_mb_release()

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

CVE-2026-43065

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

PT-2026-37068

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 filesystem where pending discard work is not properly handled during remounting. If a filesystem is initially mounted with the discard option and files are...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the idxd driver failing to release the associated work queue when releasing objects...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the xfsattrirecoverwork function’s failure in iget, leading it to perform irele operations on...

Why VM Programs Suck

& From the Trenches This is the conversation I have with VM leads every week. It usually starts at minute thirty of a discovery call, after the official agenda is over and the Zoom faces relax. Someone says "can I be honest with you for a second?" — and then I get the list. Same complaints...

SUSE CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

Linux Distros Unpatched Vulnerability : CVE-2026-31731

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - thermal: core: Address thermal zone removal races with resume Since thermalzonepmcomplete and thermalzonedeviceresume re-initialize the pollqueue delayed work f...

CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

CVE-2026-43054 scsi: target: tcm_loop: Drain commands in target_reset handler

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Drain commands in targetreset handler tcmlooptargetreset violates the SCSI EH contract: it returns SUCCESS without draining any in-flight commands. The SCSI EH documentation scsieh.rst requires that when a...

CVE-2026-31731

In CVE-2026-31731, the Linux kernel thermal management subsystem has a race where a thermal zone removal during resume can cause use-after-free. Root cause: thermal_zone_pm_complete() and thermal_zone_device_resume() re-initialize the poll_queue delayed work, so cancel_delayed_work_sync() in ther...

EUVD-2026-26544

In the Linux kernel, the following vulnerability has been resolved: thermal: core: Address thermal zone removal races with resume Since thermalzonepmcomplete and thermalzonedeviceresume re-initialize the pollqueue delayed work for the given thermal zone, the canceldelayedworksync in...

CVE-2026-31731 thermal: core: Address thermal zone removal races with resume

In the Linux kernel, the following vulnerability has been resolved: thermal: core: Address thermal zone removal races with resume Since thermalzonepmcomplete and thermalzonedeviceresume re-initialize the pollqueue delayed work for the given thermal zone, the canceldelayedworksync in...

CVE-2026-31731

In the Linux kernel, the following vulnerability has been resolved: thermal: core: Address thermal zone removal races with resume Since thermalzonepmcomplete and thermalzonedeviceresume re-initialize the pollqueue delayed work for the given thermal zone, the canceldelayedworksync in...

CVE-2026-31703

The CVE-2026-31703 entry is supported by multiple connected sources describing a Linux kernel use-after-free in the writeback path. Specifically, inode_switch_wbs_work_fn() loops over switch_wbs_ctxs and can have wb->switch_work pending while the wb reference is dropped, enabling a use-after-f...

CVE-2026-31703 writeback: Fix use after free in inode_switch_wbs_work_fn()

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...