CVE-2026-90420: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix infinite loop in nilfscleansegments syzbot reported a hung task in nilfstransactionbegin. This occurs because the cleaner ioctl falls into an infinite loop if nilfssegctorconstruct repeatedly returns -EROFS e.g. the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Core – Limit the length of unkillable synchronous timeouts The usbcontrolmsg, usbbulkmsg, and usbinterruptmsg APIs in usbcore allow for unlimited timeout durations. Since these APIs rely on uninterruptible waits, this create...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Ensure that pages are unlocked in case of a failure in cowfilerange. There is a hangtask report for zoned btrfs as follows: https://github.com/naota/linux/issues/59 726.328648 INFO: Task rocksdb:high0:11085 blocked for...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iouring: Now waits for requests to be completed before exiting. When the ring exits, cleanup is performed, and the final cancellation and waiting for requests to be completed are handled by ioringexitwork. This function is invoke...

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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a task that was stuck in ext4xattrdeleteinode. Syzbot reported a problem with stuck tasks: ================================================================== INFO: Task syz-executor232:5073 is blocked for more than...

SUSE CVE-2026-80776

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

AZL-99678 CVE-2026-80808 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without makin...

CVE-2026-80776

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

CVE-2026-80808 ext4: stop retrying saturated xattr cache entries

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without makin...

EUVD-2026-71243

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without makin...

CVE-2026-80808

CVE-2026-80808 affects the Linux kernel ext4 filesystem. The bug is in ext4_xattr_block_set() , which retries indefinitely when an mbcache entry selected for reuse has a saturated reference count (≥ EXT4_XATTR_REFCOUNT_MAX , 1024). Normally this invariant holds because the count and MBE_REUSABLE_...

CVE-2026-80808 ext4: stop retrying saturated xattr cache entries

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without makin...

CVE-2026-80776 futex: Fix race in futex_pivot_pending() during private hash resize

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

CVE-2026-80776 futex: Fix race in futex_pivot_pending() during private hash resize

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

PT-2026-85649

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4 xattr block set retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without...

CVE-2026-80776: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race in futexpivotpending during private hash resize A task performing a custom private hash resize can remain blocked in uninterruptible sleep indefinitely. The hung-task detector reports: INFO: task futex-resizer:314...

PT-2026-85617

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel during a custom private hash resize. A task can remain blocked in uninterruptible sleep indefinitely, potentially leading to a kernel panic...

Linux Distros Unpatched Vulnerability : CVE-2026-80808

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking t...