CVE-2026-89486 ipmi: Fix use-after-free of cmd_rcvr in _ipmi_destroy_user()

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix use-after-free of cmdrcvr in ipmidestroyuser Commit 9e91f8a6c868 "ipmi:msghandler: Remove srcu for the ipmiinterfaces list" dropped the synchronizercu between unlinking the command receivers from intf-cmdrcvrs and freei...

CVE-2026-89479

CVE-2026-89479 is a use-after-free in the Linux kernel's SCTP implementation. In sctp_endpoint_bh_rcv(), the association is cached in chunk->asoc and chunk->transport without holding a reference. A remote peer can bundle COOKIE ECHO, SHUTDOWN, and SHUTDOWN ACK in a single packet: the COOKIE...

CVE-2026-89479 sctp: stop processing a packet once its association is deleted

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctpendpointbhrcv looks the association up only when chunk-asoc is NULL, and caches the result in chunk-asoc and chunk-transport without taking a reference. A packet...

CVE-2026-80994 net: openvswitch: fix flow mask use-after-free on flow deletion

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-80994

CVE-2026-80994 is a use-after-free vulnerability in the Linux kernel's Open vSwitch (OVS) datapath . During flow deletion (CMD_DEL), the flow mask is freed via RCU after removal from the flow table, but ovs_flow_cmd_fill_info() subsequently dereferences the flow->mask pointer without effective...

EUVD-2026-76317

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-80994 net: openvswitch: fix flow mask use-after-free on flow deletion

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-80994

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-89566: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: jbd2: check needresched when skipping busy checkpoint buffers journalshrinkonecplist skips busy checkpoint buffers when called with JBD2SHRINKBUSYSKIP. The continue statement on this path also skips the needresched check at the e...

PT-2026-90472

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the migrate pages batch function where it fails to report RCU-tasks quiescent states during the unmapping of folios. On KVM hosts, the process of unmapping a large bat...

PT-2026-90261

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the sunrpc component. The svc rqst free function synchronously frees rqstp-rq argp and rqstp-rq resp using kfree, while the rqstp structure itself is fre...

PT-2026-90424

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the nfsd component during session teardown. After a DESTROY SESSION operation, the teardown path may free a session while the rpciod still holds an...

PT-2026-90283

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The jbd2 shrinker fails to account for busy buffers when calculating the scan budget against nr to scan, meaning only successfully released checkpoint buffers are counted. When a...

PT-2026-90204

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the openvswitch component of the Linux kernel. The problem occurs because packet processing utilizes the Connection Tracking CT limit state under...

PT-2026-90282

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the jbd2 component where the journal shrink one cp list function fails to perform a need resched check when skipping busy checkpoint buffers while called with JBD2...

CVE-2026-89567: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: jbd2: bound shrinker scans by examined checkpoint buffers The jbd2 shrinker currently accounts only checkpoint buffers that it successfully releases against nrtoscan. Busy buffers therefore do not consume the scan budget. If a...

PT-2026-96392

In the Linux kernel, the following vulnerability has been resolved: jbd2: bound shrinker scans by examined checkpoint buffers The jbd2 shrinker currently accounts only checkpoint buffers that it successfully releases against nr to scan. Busy buffers therefore do not consume the scan budget. If a...

PT-2026-96537

In the Linux kernel, the following vulnerability has been resolved: jbd2: check need resched when skipping busy checkpoint buffers journal shrink one cp list skips busy checkpoint buffers when called with JBD2 SHRINK BUSY SKIP. The continue statement on this path also skips the need resched check...

PT-2026-96603

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: report RCU-tasks quiescent states in migrate pages batch migrate pages batch unmaps each folio before moving it, and every unmap runs the mmu notifier invalidate callbacks. On KVM hosts try to migrate ends up in kvm m...

PT-2026-96401

In the Linux kernel, the following vulnerability has been resolved: sunrpc: defer rq argp and rq resp free until after RCU grace period svc rqst free frees rqstp-rq argp and rqstp-rq resp synchronously via kfree, but defers the rqstp struct free via kfree rcu. After svc exit thread calls list del...