EUVD-2026-76422

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't BUGON a destroyed DSQ in processdeferredreenqusers scxbpfdsqreenq queues a deferred reenq dru that runs from rundeferred, not ops.dispatch. If the DSQ is destroyed before the dru runs, processdeferredreenqusers se...

CVE-2026-89516 sched_ext: Don't BUG_ON a destroyed DSQ in process_deferred_reenq_users

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't BUGON a destroyed DSQ in processdeferredreenqusers scxbpfdsqreenq queues a deferred reenq dru that runs from rundeferred, not ops.dispatch. If the DSQ is destroyed before the dru runs, processdeferredreenqusers se...

CVE-2026-89516

This CVE affects the Linux kernel in the sched_ext (scheduling extensions) subsystem. The vulnerability occurs in process_deferred_reenq_users(): when scx_bpf_dsq_reenq() queues a deferred reenqueue that executes from run_deferred() (not ops.dispatch()), and the associated DSQ (dispatch queue) is...

CVE-2026-89516 sched_ext: Don't BUG_ON a destroyed DSQ in process_deferred_reenq_users

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't BUGON a destroyed DSQ in processdeferredreenqusers scxbpfdsqreenq queues a deferred reenq dru that runs from rundeferred, not ops.dispatch. If the DSQ is destroyed before the dru runs, processdeferredreenqusers se...

EUVD-2026-76400

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without validation. numlocks and locknamelen are bounded only on the sending...

PT-2026-90232

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sched ext component where the process deferred reenq users function can trigger a BUG ON a kernel panic when encountering a destroyed Dispatch Queue DSQ. This occu...

PT-2026-90432

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the zram module where user-supplied deflate parameters are not properly validated. Specifically, the winbits variable is passed to the zlib deflate workspacesize...

CVE-2026-89716: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: zram: validate deflate params We must validate user-supplied deflate winbits before we pass it to zlibdeflateworkspacesize, which triggers BUGON if winbits value is outside of valid ranges...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107288)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107288 advisory. In the Linux kernel, the following vulnerability has been resolved: closures: Change BUGON to WARNON If a BUGON can be hit in the wild, it shouldn't be a BUGON For...

CVE-2026-89494: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without validation. numlocks and locknamelen are bounded only on the sending...

CVE-2026-89516: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't BUGON a destroyed DSQ in processdeferredreenqusers scxbpfdsqreenq queues a deferred reenq dru that runs from rundeferred, not ops.dispatch. If the DSQ is destroyed before the dru runs, processdeferredreenqusers se...

CVE-2026-89686: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix BUGON in nfsd4alloclayoutstateid on racing delegation revoke nfsd4alloclayoutstateid reads fp-fidelegfile without holding filock when the parent stateid is a delegation. A concurrent delegation revoke via the laundromat...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107298)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107298 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON when freeing tree block after error When freeing a tree block, at...

PT-2026-90402

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description A race condition exists in the NFS server nfsd during delegation revocation. The function nfsd4 alloc layout stateid reads fp-fi deleg file without holding the fi lock when the parent statei...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053284)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053284 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUGON:...

SUSE CVE-2026-80809

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

AZL-99462 CVE-2026-80809 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

CVE-2026-80809 ocfs2: fix missing metadata reservation for large xattrs

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

EUVD-2026-71244

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

CVE-2026-80809

CVE-2026-80809 affects the Linux kernel's ocfs2 filesystem . The root cause is that ocfs2_calc_xattr_set_need() fails to reserve metadata blocks for a new xattr value's extent tree when the file already has an external xattr block, leaving meta_ac as NULL. On a fragmented filesystem , this causes...