Security update for the Linux Kernel (Live Patch 34 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024144 fixes several issues. The following security issues were fixed: CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234854. CVE-2022-49465: blk-throttle: Set BIOTHROTTLED when bio has been throttled bsc1238920. CVE-2024-53214:...

Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005568 fixes several issues. The following security issues were fixed: CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234854. CVE-2024-53214: vfio/pci: Properly hide first-in-list PCIe extended capability bsc1235005. CVE-2024-53173:...

SUSE CVE-2025-38231

In the Linux kernel, the following vulnerability has been resolved: nfsd: Initialize ssc before laundromatwork to prevent NULL dereference In nfs4statestartnet, laundromatwork may access nfsdssc through nfs4laundromat - nfsd4sscexpireumount. If nfsdssc isn't initialized, this can cause NULL point...

DEBIAN-CVE-2025-38232

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix race between nfsd registration and exportsproc As of now nfsd calls createprocexportsentry at start of initnfsd and cleanup by removeprocentry at last of exitnfsd. Which causes kernel OOPs if there is race between below...

CVE-2025-38232 NFSD: fix race between nfsd registration and exports_proc

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix race between nfsd registration and exportsproc As of now nfsd calls createprocexportsentry at start of initnfsd and cleanup by removeprocentry at last of exitnfsd. Which causes kernel OOPs if there is race between below...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Clearing aclaccess/acldefault after releasing them If the attempt to get acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: fixed the management of listener transports Currently, when no active threads are running, a root user using the nfsdctl command can attempt to remove a particular listener from the list of previously added listeners. By...

LSN-0112-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfssetlease. A delegation break runs a callback which immediately in nfsd4cbrecallprepare adds the delegation to delrecalllru...

kernel: nfsd: cancel nfsd_shrinker_work using sync mode in nfs4_state_shutdown_net

In the Linux kernel, the following vulnerability has been resolved: nfsd: cancel nfsdshrinkerwork using sync mode in nfs4stateshutdownnet In the normal case, when we excute echo 0 /proc/fs/nfsd/threads, the function nfs4statedestroynet in nfs4stateshutdownnet will release all resources related to...

kernel: nfsd: release svc_expkey/svc_export with rcu_work

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

CVE-2023-53083 nfsd: don't replace page in rq_pages if it's a continuation of last page

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't replace page in rqpages if it's a continuation of last page The splice read calls nfsdspliceactor to put the pages containing file data into the svcrqst-rqpages array. It's possible however to get a splice result that...

SUSE CVE-2025-22025

In the Linux kernel, the following vulnerability has been resolved: nfsd: put dlstid if fail to queue dlrecall Before calling nfsd4runcb to queue dlrecall to the callbackwq, we increment the reference count of dlstid. We expect that after the corresponding workstruct is processed, the reference...

CVE-2025-39688

In the Linux kernel, the following vulnerability has been resolved: nfsd: allow SCSTATUSFREEABLE when searching via nfs4lookupstateid The pynfs DELEG8 test fails when run against nfsd. It acquires a delegation and then lets the lease time out. It then tries to use the deleg stateid and expects to...

DEBIAN-CVE-2025-39688

In the Linux kernel, the following vulnerability has been resolved: nfsd: allow SCSTATUSFREEABLE when searching via nfs4lookupstateid The pynfs DELEG8 test fails when run against nfsd. It acquires a delegation and then lets the lease time out. It then tries to use the deleg stateid and expects to...

AZL-68985 CVE-2025-22026 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

DEBIAN-CVE-2025-22026

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

UBUNTU-CVE-2025-22024

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix management of listener transports Currently, when no active threads are running, a root user using nfsdctl command can try to remove a particular listener from the list of previously added ones, then start the server by...

UBUNTU-CVE-2025-22025

In the Linux kernel, the following vulnerability has been resolved: nfsd: put dlstid if fail to queue dlrecall Before calling nfsd4runcb to queue dlrecall to the callbackwq, we increment the reference count of dlstid. We expect that after the corresponding workstruct is processed, the reference...

UBUNTU-CVE-2025-22026

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

DEBIAN-CVE-2024-58092

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix legacy client tracking initialization Get rid of the nfsd4legacytrackingops-init call in checkforlegacymethods. That will be handled in the caller nfsd4clienttrackinginit. Otherwise, we'll wind up calling...