CVE-2026-53153

kernel-rt-64k: The kernel packages contain the Linux kernel, the core of any Linux operating system

CVE-2026-53153 is fixed in 95 products on 1 platform, first by DEBIAN-CVE-2026-53153, released June 28, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0010
0th percentile

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: seccomp: passthrough uretprobe systemcall without filtering (CVE-2025-21834) * kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003) * kernel: netfilter: nf_tables: Fix for duplicate device in netdev hooks (CVE-2026-43454) * kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450) * kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970) * kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120) * kernel: iommu/amd: Fix clone_alias() to use the original device's devid (CVE-2026-53053) * kernel: NFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg (CVE-2026-53026) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189) * kernel: mm/list_lru: drain before clearing xarray entry on reparent (CVE-2026-53153) * 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: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136) * kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189) * kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320) * kernel: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov() (CVE-2026-64438) * kernel: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304) * kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298) * kernel: ALSA: virtio: Validate control metadata from the device (CVE-2026-64490) * kernel: mm: shrinker: fix shrinker_info teardown race with expansion (CVE-2026-64418) * kernel: smb: client: fix change notify replay double-free (CVE-2026-64384) * kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277) * kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276) * kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480) * kernel: mm/khugepaged: write all dirty file folios when collapsing (CVE-2026-68086) * kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation (CVE-2026-68166) * kernel: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() (CVE-2026-72069) * kernel: nvmet-auth: reject short AUTH_RECEIVE buffers (CVE-2026-72130) * kernel: ceph: give up on paths longer than PATH_MAX (CVE-2024-53685) * kernel: ceph: fix memory leaks in ceph_mdsc_build_path() (CVE-2026-43419) * kernel: ceph: add a bunch of missing ceph_path_info initializers (CVE-2026-43408) Bug Fix(es) and Enhancement(s): * AlmaLinux 10: s390: Revert support for DCACHE_WORD_ACCESS [almalinux-10.2.z] (JIRA:AlmaLinux-188180) * qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [almalinux-10.2.z] (JIRA:AlmaLinux-193043) * ss core dumped when there is an SCTP session [almalinux-10.2.z] (JIRA:AlmaLinux-212393) * [AlmaLinux-10.2.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:AlmaLinux-218627) * AlmaLinux10.0 - s390/pfault: Fix virtual vs physical address confusion [almalinux-10.2.z] (JIRA:AlmaLinux-222507) 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.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.18 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel · RHEL 10 6.12.0-211.50.1.el10_2 RHSA-2026:61887 Sep 2, 2026
kernel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel · rocky 10 0:6.12.0-211.50.1.el10_2 RLSA-2026:61887 Sep 2, 2026
kernel-64k · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-devel-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-debug-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-devel-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-64k-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-abi-stablelists · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-abi-stablelists · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-core · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-cross-headers · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-cross-headers · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-core · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-devel · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-devel-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-devel-matched · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-modules · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-modules-core · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-modules-extra · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-debug-uki-virt · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-debug-uki-virt · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-devel · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-devel-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-devel-matched · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-doc · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-doc · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-headers · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-headers · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-livepatch-6.18.36-69.134 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-modules · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-modules-core · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-modules-extra · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-modules-extra-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-modules-extra-matched · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-rt · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-debug-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-64k-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-debug-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-rt-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-tools · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-tools · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-tools-libs · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-tools-libs · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-tools-libs-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-tools-libs-devel · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-uki-virt · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-uki-virt · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-uki-virt-addons · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-uki-virt-addons · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
kernel-zfcpdump · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-devel · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-devel-matched · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-modules · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-modules-core · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel-zfcpdump-modules-extra · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
kernel6.18 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-devel · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-headers · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-tools · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
libperf · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
libperf · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
linux · Debian 14 7.0.13-1 DEBIAN-CVE-2026-53153 Jun 28, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
perf · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
perf · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
perf6.18 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
python3-perf · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
python3-perf · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
python3-perf6.18 · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925 Jul 6, 2026
rtla · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
rtla · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026
rv · almalinux 10 6.12.0-211.50.1.el10_2 ALSA-2026:61887 Sep 1, 2026
rv · ol 10 0:6.12.0-211.50.1.el10_2 ELSA-2026-61887-0 Sep 1, 2026

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