Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: s390/cpum_sf: Handle CPU hotplug remove during sampling (CVE-2024-57849)
* kernel: smc91x: fix broken irq-context in PREEMPT_RT (CVE-2025-71132)
* kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970)
* kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)
* kernel: pNFS: Fix use-after-free in pnfs_update_layout() (CVE-2026-63800)
* kernel: nfsd: fix posix_acl leak on SETACL decode failure (CVE-2026-53397)
* kernel: nfsd: release layout stid on setlease failure (CVE-2026-53399)
* kernel: NFSv4/flexfiles: reject zero filehandle version count (CVE-2026-53392)
* kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (CVE-2026-53391)
* kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access (CVE-2026-64018)
* kernel: Kernel: Remote out-of-bounds write in RDMA/siw (CVE-2026-64268)
* kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298)
* kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480)
* kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581)
Bug Fix(es) and Enhancement(s):
* qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-8.10.z] (JIRA:Rocky Linux-193045)
* powerpc/pseries: lparcfg - fix kbuf[] underflow (JIRA:Rocky Linux-240144)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | kernel | 0:4.18.0-553.159.1.el8_10 |
Vulnerabilities 14
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Critical 9.8
nfsd: release layout stid on setlease failure
In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4_alloc_stid() publishes the new stid into cl->cl_stateids via idr_alloc_cyclic() under cl_lock before returning to nfsd4_alloc_layout_stateid…
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Critical 9.8
pNFS: Fix use-after-free in pnfs_update_layout()
In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfs_update_layout() When hitting the NFS_LAYOUT_RETURN branch in pnfs_update_layout(), the code calls pnfs_prepare_to_retry_layoutget(lo). If it succeeds, pnfs_pu…
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Critical 9.8
RDMA/siw: bound Read Response placement to the RREAD length
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siw_qp_rx.c, siw_proc_rresp() places each inbound Read Response DDP segment at sge->laddr + wqe->proce…
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Critical 9.8
net: ipv6: clear suppressed fib6 rule result
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the released rt6_info. If no later rule sup…
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Critical 9.3
net: mana: validate rx_req_idx to prevent out-of-bounds array access
In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rx_req_idx to prevent out-of-bounds array access In mana_hwc_rx_event_handler(), rx_req_idx is derived from sge->address in DMA-coherent memory. In Confidential VMs (SEV-S…
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High 7.8
s390/cpum_sf: Handle CPU hotplug remove during sampling
In the Linux kernel, the following vulnerability has been resolved: s390/cpum_sf: Handle CPU hotplug remove during sampling CPU hotplug remove handling triggers the following function call sequence: CPUHP_AP_PERF_S390_SF_ONLINE --> s390_pmu_sf_offline_cpu() .…
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High 7.8
bonding: alb: fix UAF in rlb_arp_recv during bond up/down
In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix UAF in rlb_arp_recv during bond up/down The ALB RX path may access rx_hashtbl concurrently with bond teardown. During rapid bond up/down cycles, rlb_deinitialize() frees rx_…
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High 7.8
zram: fix use-after-free in zram_bvec_write_partial()
In the Linux kernel, the following vulnerability has been resolved: zram: fix use-after-free in zram_bvec_write_partial() zram_read_page() picks the sync or async backing device read path based on whether the parent bio is NULL. zram_bvec_write_partial() pass…
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High 7.5
smc91x: fix broken irq-context in PREEMPT_RT
In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPT_RT When smc91x.c is built with PREEMPT_RT, the following splat occurs in FVP_RevC: [ 13.055000] smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex…
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High 7.5
NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr nfs4_decode_mp_ds_addr() decodes the r_netid and r_addr opaques of a netaddr4 from a GETDEVICEINFO multipath-DS body, then imme…
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High 7.5
NFSv4/flexfiles: reject zero filehandle version count
In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count ff_layout_alloc_lseg() decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzal…
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High 7.5
nfsd: fix posix_acl leak on SETACL decode failure
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posix_acl leak on SETACL decode failure nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() each call nfs_stream_decode_acl() twice, first for NFS_ACL and then for NFS_DFA…
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High 7.1
NFSv4: include MAY_WRITE in open permission mask for O_TRUNC
In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC POSIX requires write permission to truncate a file, so an open() that specifies O_TRUNC must be authorized for write access regard…
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Unscored —
x86/bugs: Make Safe-RET robust against interrupt injection
In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Make Safe-RET robust against interrupt injection An attacker injecting interrupts while the Safe-RET mitigation executes on machines affected by SRSO can neutralize the safe return …
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2337144
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2429603
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2482006
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492735
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502219
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502227
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502239
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502240
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502260
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502421
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2507089
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2507208
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2508363
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2520980
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advisory
https://access.redhat.com/errata/RHSA-2026:63014