Linux · Security advisory · September 2, 2026

RHSA-2026:61887: kernel security update

RHSA-2026:61887, released September 2, 2026, fixes 23 CVEs in kernel (version 6.12.0-211.50.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
23
3 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0080
56th percentile

Priority of the 23 CVEs

Patch now 0 Urgent 3 High 20 Routine 0

Fixed package versions

ProductReleaseFixed in
kernelRHEL 106.12.0-211.50.1.el10_2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-72069 linux: In the Linux kernel, the following vulnerability has been resolved: locking/rt: Fix the incorrect RCU protection in... 9.8 0.0073 None reported
Urgent CVE-2026-63800 pNFS: Fix use-after-free in pnfs_update_layout() 9.8 0.0064 None reported
Urgent CVE-2026-53053 iommu/amd: Fix clone_alias() to use the original device's devid 9.8 0.0013 None reported
High CVE-2026-64320 nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page 9.1 0.0080 None reported
High CVE-2026-53399 nfsd: release layout stid on setlease failure 9.8 0.0066 None reported
High CVE-2026-23003 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: k... 8.8 0.0055 None reported
High CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count 8.8 0.0053 None reported
High CVE-2026-53397 nfsd: fix posix_acl leak on SETACL decode failure 8.8 0.0053 None reported
High CVE-2026-53391 NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr 8.8 0.0052 None reported
High CVE-2026-64384 smb: client: fix change notify replay double-free 9.8 0.0046 None reported
High CVE-2026-53026 kernel: In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4_file access extra count in nfsd4_a... 8.8 0.0043 None reported
High CVE-2026-64136 kernel: In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tc_count increment in smb2_f... 9.8 0.0041 None reported
High CVE-2025-21834 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system 8.8 0.0018 None reported
High CVE-2026-64276 Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count 8.8 0.0017 None reported
High CVE-2026-64277 Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count 8.8 0.0017 None reported
High CVE-2026-64298 NFSv4: include MAY_WRITE in open permission mask for O_TRUNC 8.8 0.0015 None reported
High CVE-2026-64018 kernel: In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rx_req_idx to prevent out-of-... 9.3 0.0014 None reported
High CVE-2026-53189 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n... 8.8 0.0013 None reported
High CVE-2026-45970 kernel-rt-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system 8.8 0.0013 None reported
High CVE-2026-64189 netfilter: ipset: fix race between dump and ip_set_list resize 8.8 0.0013 None reported
High CVE-2026-43454 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system 8.8 0.0012 None reported
High CVE-2026-53153 kernel-rt-64k: The kernel packages contain the Linux kernel, the core of any Linux operating system 8.8 0.0010 None reported
High CVE-2026-64418 linux: In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix shrinker_info teardown race wi... 8.8 0.0010 None reported
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