# ALSA-2026:71233: Security update for 14 packages

ALSA-2026:71233, released September 24, 2026, fixes 14 CVEs across 14 products. One of them is being exploited (CVE-2026-53266); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-71233
- Platform: Linux
- Released: Sep 24, 2026
- Priority: Patch now (Closes CVE-2026-53266, exploited (CISA KEV))
- CVEs: 14, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:71233

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-64k-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel-matched.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-64k-devel](https://patchblox.com/security/data/product/linux/kernel-64k-devel.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-64k-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-devel-matched.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [kernel-zfcpdump-devel-matched](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel-matched.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | almalinux 10 | 6.12.0-211.59.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-53266](https://patchblox.com/security/data/cve/CVE-2026-53266.md) | Patch now | netfilter: bridge: make ebt_snat ARP rewrite writable | 8.8 | 0.0093 | CISA KEV |
| [CVE-2026-64564](https://patchblox.com/security/data/cve/CVE-2026-64564.md) | Urgent | sctp: don't free the ASCONF's own transport in DEL-IP processing | 9.8 | 0.0143 |  |
| [CVE-2026-89846](https://patchblox.com/security/data/cve/CVE-2026-89846.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: qla2xxx: Bound rsp_info_len to avoid OOB s... | 9.1 | 0.0071 |  |
| [CVE-2026-74469](https://patchblox.com/security/data/cve/CVE-2026-74469.md) | High | sctp: prevent peer transport count overflow | 8.8 | 0.0147 |  |
| [CVE-2026-64383](https://patchblox.com/security/data/cve/CVE-2026-64383.md) | High | smb: client: fix double-free in SMB2_flush() replay | 9.8 | 0.0046 |  |
| [CVE-2026-80844](https://patchblox.com/security/data/cve/CVE-2026-80844.md) | High | xfrm: ah6: validate routing header segments_left | 8.3 | 0.0043 |  |
| [CVE-2026-74569](https://patchblox.com/security/data/cve/CVE-2026-74569.md) | High | netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() | 9.8 | 0.0039 |  |
| [CVE-2026-81000](https://patchblox.com/security/data/cve/CVE-2026-81000.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net: tun: bound receive headroom  tun_get_user()... | 8.3 | 0.0036 |  |
| [CVE-2026-63831](https://patchblox.com/security/data/cve/CVE-2026-63831.md) | High | mac802154: llsec: add skb_cow_data() before in-place crypto | 8.8 | 0.0031 |  |
| [CVE-2026-23007](https://patchblox.com/security/data/cve/CVE-2026-23007.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: block: zero non-PI portion of auto integrity buff... | 8.3 | 0.0020 |  |
| [CVE-2026-68201](https://patchblox.com/security/data/cve/CVE-2026-68201.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ALSA: timer: drain a slave's callback before its... | 8.3 | 0.0017 |  |
| [CVE-2026-72243](https://patchblox.com/security/data/cve/CVE-2026-72243.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  selinux: check connect-related permissions on TC... | 8.8 | 0.0017 |  |
| [CVE-2026-64053](https://patchblox.com/security/data/cve/CVE-2026-64053.md) | High | kernel-64k-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.3 | 0.0013 |  |
| [CVE-2026-63802](https://patchblox.com/security/data/cve/CVE-2026-63802.md) | High | blk-cgroup: fix UAF in __blkcg_rstat_flush() | 8.3 | 0.0010 |  |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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