Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: drm/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370)
* kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)
* kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)
* kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)
* kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)
* kernel: net: tun: bound receive headroom (CVE-2026-81000)
* kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)
Bug Fix(es) and Enhancement(s):
* sctp: prevent peer transport count overflow [almalinux-8.10.z] (JIRA:AlmaLinux-216297)
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 25
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | bpftool | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-abi-stablelists | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-core | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-cross-headers | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-debug | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-core | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-devel | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules-extra | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-devel | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-doc | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-headers | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-modules | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-modules-extra | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-tools | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs-devel | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-core | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-devel | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules-extra | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | perf | 4.18.0-553.167.1.el8_10 |
| AlmaLinux · 8 | python3-perf | 4.18.0-553.167.1.el8_10 |
Vulnerabilities 8
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Critical 9.8CVE-2026-64564 Public exploit
sctp: don't free the ASCONF's own transport in DEL-IP processing
In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing sctp_process_asconf() caches the transport the ASCONF chunk is processed against in asconf->transport (== chunk->transport, se…
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Critical 9.1
scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read In qla2x00_status_entry(), the FWI2 status path advances sense_data and shrinks par_sense_len by rsp_info_len: if (IS_FWI2_CAPAB…
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High 8.8
mac802154: llsec: add skb_cow_data() before in-place crypto
In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skb_cow_data() before in-place crypto llsec_do_encrypt_unauth(), llsec_do_encrypt_auth(), llsec_do_decrypt_unauth(), and llsec_do_decrypt_auth() all perform in-place cry…
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High 8.8CVE-2026-74469 Public exploit
sctp: prevent peer transport count overflow
In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctp_assoc_add_peer() increments the association's 16-bit transport_count for every new unique peer. Adding the 65,536th transport wraps the count …
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High 7.8
drm/amdgpu: Fix use-after-free race in VM acquire
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix use-after-free race in VM acquire Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acqu…
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High 7.8
ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control In snd_sof_update_control(), firmware-provided cdata->num_elems is checked against local_cdata->data->size but never against t…
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High 7.8CVE-2026-81000 Public exploit
net: tun: bound receive headroom
In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom tun_get_user() uses tun->align both as skb headroom and when choosing how much packet data to keep linear. OVS can propagate an oversized headroom request fro…
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Unscored —CVE-2026-80844 Public exploit
xfrm: ah6: validate routing header segments_left
In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segments_left AH6 rearranges routing-header addresses before computing or verifying the ICV. ipv6_rearrange_rthdr() assumes that segments_left is not larger…
References
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report
https://access.redhat.com/security/cve/CVE-2026-43370
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report
https://access.redhat.com/security/cve/CVE-2026-63831
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report
https://access.redhat.com/security/cve/CVE-2026-64564
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report
https://access.redhat.com/security/cve/CVE-2026-72261
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report
https://access.redhat.com/security/cve/CVE-2026-80844
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report
https://access.redhat.com/security/cve/CVE-2026-81000
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report
https://access.redhat.com/security/cve/CVE-2026-89846
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report
https://bugzilla.redhat.com/2468244
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report
https://bugzilla.redhat.com/2502243
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report
https://bugzilla.redhat.com/2510890
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report
https://bugzilla.redhat.com/2516527
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report
https://bugzilla.redhat.com/2528676
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report
https://bugzilla.redhat.com/2532176
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report
https://bugzilla.redhat.com/2535391
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advisory
https://errata.almalinux.org/8/ALSA-2026-71213.html
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report
https://www.redhat.com/security/data/cve/CVE-2026-74469.html