CVE-2026-90140 cuse: wait for pending RCU callbacks on module exit

In the Linux kernel, the following vulnerability has been resolved: cuse: wait for pending RCU callbacks on module exit Since commit 053fc4f755ad "fuse: fix UAF in rcu pathwalks", fuseconnput frees the fuseconn through callrcu rather than synchronously. For cuse, fc-release is cusefcrelease, whic...

CVE-2026-90058 net/sched: bound qdisc_pkt_len to prevent qdisc soft lockup

In the Linux kernel, the following vulnerability has been resolved: net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen through the overhead, the size-table data u16, and sizelog up to...

CVE-2026-90058 net/sched: bound qdisc_pkt_len to prevent qdisc soft lockup

In the Linux kernel, the following vulnerability has been resolved: net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen through the overhead, the size-table data u16, and sizelog up to...

CVE-2026-93108: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Drain RCU callbacks during module teardown IPoIB reclamation completions can be signaled from inside an RCU callback. Teardown can wake before the callback returns and unload ibipoib while its code is still executing...

CVE-2026-90143: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Hold RCU read lock while running BPF parser kcmparsefuncstrparser calls bpfprogrunpinoncpu which prevents CPU migration, but does not establish an RCU read-side critical section. Consequently, BPF map operations can...

PT-2026-94491

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the kernel cipher manager KCM where the kcm parse func strparser function calls bpf prog run pin on cpu without establishing an RCU read-side critical section. RCU...

PT-2026-94673

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the blkcg activate policy function when switching IO schedulers on a block device. This occurs when the function races with a concurrent blkcg deletion, which...

PT-2026-94969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF LSM component where security bpf prog free is called via bpf prog put rcu, which serves as the call rcu callback for non-sleepable programs. This sequence...

PT-2026-94904

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/ipoib component where the system fails to drain RCU Read-Copy-Update callbacks during module teardown. IPoIB reclamation completions may be signaled from with...

CVE-2026-93110: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Wait for RCU callbacks before unloading ibcore putgidndev is queued with callrcu and implemented in ibcore. Stopping the workqueues does not drain callbacks already queued, so RCU could invoke it after the module code...

PT-2026-94906

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/core component where the put gid ndev function is queued using call rcu. Because stopping workqueues does not drain already queued callbacks, the...

PT-2026-94406

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the network scheduler where the qdisc get stab function accepts a user-supplied size table. The qdisc calculate pkt len function can amplify the qdisc pkt len value...

CVE-2026-90058: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen through the overhead, the size-table data u16, and sizelog up to...

CVE-2026-93109: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Drain RCU callbacks during module teardown devxfreesubscription can remain queued after the last DevX event file drops its module reference or an auxiliary driver detaches its devices. mlx5ib can then unload before the...

PT-2026-94639

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the kmod dups code due to improper lifetime handling of kmod dup req instances. The system uses RCU Read-Copy-Update, a synchronization mechanism that...

SUSE CVE-2026-89545

In the Linux kernel, the following vulnerability has been resolved: sunrpc: defer rqargp and rqresp free until after RCU grace period svcrqstfree frees rqstp-rqargp and rqstp-rqresp synchronously via kfree, but defers the rqstp struct free via kfreercu. After svcexitthread calls listdelrcu and...

DEBIAN-CVE-2026-89988

In the Linux kernel, the following vulnerability has been resolved: kprobes: Protect kprobeblacklist with RCU withinkprobeblacklist traverses kprobeblacklist without holding kprobemutex. When a module is unloaded, kproberemoveareablacklist removes blacklist entries and immediately frees them with...

AZL-101195 CVE-2026-89988 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: kprobes: Protect kprobeblacklist with RCU withinkprobeblacklist traverses kprobeblacklist without holding kprobemutex. When a module is unloaded, kproberemoveareablacklist removes blacklist entries and immediately frees them with...

CVE-2026-89986

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix sleeping allocation in allocpagesbulkweightedinterleave syzbot reported a sleeping function called from invalid context splat in buckettablealloc. When rhashtableinsertslow rehashes the table under rcureadlock, ...

CVE-2026-89988

In the Linux kernel, the following vulnerability has been resolved: kprobes: Protect kprobeblacklist with RCU withinkprobeblacklist traverses kprobeblacklist without holding kprobemutex. When a module is unloaded, kproberemoveareablacklist removes blacklist entries and immediately frees them with...