SUSE-SU-2025:0853-1

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2022-49080: mm/mempolicy: fix mpolnew leak in sharedpolicy_replace (bsc#1238033).
• CVE-2024-53135: KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN (bsc#1234154).
• CVE-2024-53226: RDMA/hns: Fix NULL pointer derefernce in hnsrocemapmrsg() (bsc#1236576)
• CVE-2024-57948: mac802154: check local interfaces before deleting sdata list (bsc#1236677).
• CVE-2025-21647: sched: sch_cake: add bounds checks to host bulk flow fairness counts (bsc#1236133).
• CVE-2025-21690: scsi: storvsc: Ratelimit warning logs to prevent VM denial of service (bsc#1237025).
• CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing (bsc#1237028).
• CVE-2025-21699: gfs2: Truncate address space when flipping GFS2DIFJDATA flag (bsc#1237139).

The following non-security bugs were fixed:

• NFSD: use explicit lock/unlock for directory ops (bsc#1234650 bsc#1233701 bsc#1232472).
• cpufreq/amd-pstate: Only print supported EPP values for performance governor (bsc#1236777).
• iavf: fix the waiting time for initial reset (bsc#1235111).
• ice: add ice_adapter for shared data across PFs on the same NIC (bsc#1235111).
• ice: avoid the PTP hardware semaphore in gettimex64 path (bsc#1235111).
• ice: fold iceptpreadtime into iceptp_gettimex64 (bsc#1235111).
• idpf: call setrealnumqueues in idpfopen (bsc#1236661 bsc#1237316).
• ipv4/tcp: do not use per netns ctl sockets (bsc#1237693).
• kabi: hide adding RCU head into struct netdevnamenode (bsc#1233749).
• net: Fix undefined behavior in netdev name allocation (bsc#1233749).
• net: avoid UAF on deleted altname (bsc#1233749).
• net: check for altname conflicts when changing netdev's netns (bsc#1233749).
• net: core: Use the bitmap API to allocate bitmaps (bsc#1233749).
• net: do not send a MOVE event when netdev changes netns (bsc#1233749).
• net: do not use input buffer of _devalloc_name() as a scratch space (bsc#1233749).
• net: fix ifname in netlink ntf during netns move (bsc#1233749).
• net: fix removing a namespace with conflicting altnames (bsc#1233749).
• net: free altname using an RCU callback (bsc#1233749).
• net: introduce a function to check if a netdev name is in use (bsc#1233749).
• net: make devallocname() call devprepvalid_name() (bsc#1233749).
• net: mana: Add getlink and getlink_ksettings in ethtool (bsc#1236761).
• net: mana: Cleanup 'mana' debugfs dir after cleanup of all children (bsc#1236760).
• net: mana: Enable debugfs files for MANA device (bsc#1236758).
• net: minor _devalloc_name() optimization (bsc#1233749).
• net: move altnames together with the netdevice (bsc#1233749).
• net: netvsc: Update default VMBus channels (bsc#1236757).
• net: reduce indentation of _devalloc_name() (bsc#1233749).
• net: remove devvalidname() check from _devalloc_name() (bsc#1233749).
• net: remove else after return in devprepvalid_name() (bsc#1233749).
• net: trust the bitmap in _devalloc_name() (bsc#1233749).
• rcu: Remove rcuisidle_cpu() (bsc#1236289).
• scsi: storvsc: Set correct data length for sending SCSI command without payload (git-fixes).
• x86/aperfmperf: Dont wake idle CPUs in archfreqgetoncpu() (bsc#1236289).
• x86/aperfmperf: Integrate the fallback code from show_cpuinfo() (bsc#1236289).
• x86/aperfmperf: Make parts of the frequency invariance code unconditional (bsc#1236289).
• x86/aperfmperf: Put frequency invariance aperf/mperf data into a struct (bsc#1236289).
• x86/aperfmperf: Replace aperfmperfgetkhz() (bsc#1236289).
• x86/aperfmperf: Replace archfreqgetoncpu() (bsc#1236289).
• x86/aperfmperf: Restructure archscalefreq_tick() (bsc#1236289).
• x86/aperfmperf: Separate AP/BP frequency invariance init (bsc#1236289).
• x86/aperfmperf: Store aperf/mperf data for cpu frequency reads (bsc#1236289).
• x86/aperfmperf: Untangle Intel and AMD frequency invariance init (bsc#1236289).
• x86/aperfperf: Make it correct on 32bit and UP kernels (bsc#1236289).
• x86/smp: Move APERF/MPERF code where it belongs (bsc#1236289).
• x86/smp: Remove unnecessary assignment to local var freq_scale (bsc#1236289).
• x86/xen: add FRAMEEND to xenhypercall_hvm() (git-fixes).
• x86/xen: allow larger contiguous memory regions in PV guests (bsc#1236951).
• x86/xen: fix xenhypercallhvm() to not clobber %rbx (git-fixes).
• xen/swiotlb: relax alignment requirements (bsc#1236951).