Linux · 
Amazon Linux · Security advisory · August 3, 2026
Amazon Linux · Security advisory · August 3, 2026ALAS2023-2026-2032: Security update for 18 packages
ALAS2023-2026-2032, released August 3, 2026, fixes 26 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
26
6 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0064
51st percentile
Priority of the 26 CVEs
Patch now 0
Urgent 6
High 18
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bpftool | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| bpftool-debuginfo | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-debuginfo | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-debuginfo-common-aarch64 | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-debuginfo-common-x86_64 | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-devel | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-headers | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-livepatch-6.1.177-224.371 | amzn 2023 | 1:1.0-0.amzn2023 |
| kernel-modules-extra | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-modules-extra-common | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-tools | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-tools-debuginfo | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| kernel-tools-devel | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| perf | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| perf-debuginfo | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| python3-perf | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
| python3-perf-debuginfo | amzn 2023 | 1:6.1.177-224.371.amzn2023 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-63800 | pNFS: Fix use-after-free in pnfs_update_layout() | 9.8 | 0.0064 | None reported |
| Urgent | CVE-2026-53224 | linux: In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded INIT chunk and address l... | 9.1 | 0.0057 | None reported |
| Urgent | CVE-2026-63824 | KEYS: fix overflow in keyctl_pkey_params_get_2() | 9.8 | 0.0017 | None reported |
| Urgent | CVE-2026-52991 | sched/psi: fix race between file release and pressure write | 9.8 | 0.0015 | None reported |
| Urgent | CVE-2026-63833 | ntfs3: reject direct userspace writes to reserved $LX* xattrs | 9.8 | 0.0014 | None reported |
| Urgent | CVE-2026-53403 | fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var | 9.8 | 0.0013 | None reported |
| High | CVE-2026-46331 | net/sched: fix pedit partial COW leading to page cache corruption | 8.1 | 0.0064 | None reported |
| High | CVE-2025-40158 | ipv6: use RCU in ip6_output() | 8.1 | 0.0056 | None reported |
| High | CVE-2026-53398 | NFSD: Fix SECINFO_NO_NAME decode error cleanup | 9.8 | 0.0054 | None reported |
| High | CVE-2026-53397 | nfsd: fix posix_acl leak on SETACL decode failure | 8.8 | 0.0053 | None reported |
| High | CVE-2026-63808 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 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-2026-63801 | tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done | 8.8 | 0.0051 | None reported |
| High | CVE-2026-53246 | sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing | 9.8 | 0.0044 | None reported |
| High | CVE-2026-63830 | net: skmsg: preserve sg.copy across SG transforms | 9.4 | 0.0044 | None reported |
| High | CVE-2026-53361 | af_unix: Set gc_in_progress to true in unix_gc(). | 8.8 | 0.0026 | None reported |
| High | CVE-2026-63807 | KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level | 8.8 | 0.0017 | None reported |
| High | CVE-2026-63823 | keys: Pin request_key_auth payload in instantiate paths | 8.8 | 0.0016 | None reported |
| High | CVE-2026-63809 | bpf: use kvfree() for replaced sysctl write buffer | 7.8 | 0.0015 | None reported |
| High | CVE-2026-53381 | virtiofs: fix UAF on submount umount | 8.1 | 0.0014 | None reported |
| High | CVE-2026-53388 | fuse: re-lock request before replacing page cache folio | 8.8 | 0.0013 | None reported |
| High | CVE-2026-43091 | linux: In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns e... | 7.8 | 0.0013 | None reported |
| High | CVE-2026-53167 | fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios | 7.0 | 0.0013 | None reported |
| High | CVE-2026-52909 | ip6_vti: set netns_immutable on the fallback device. | 7.8 | 0.0011 | None reported |
| Routine | CVE-2026-53385 | vc_screen: fix null-ptr-deref in vcs_notifier() during concurrent vcs_write | 5.5 | 0.0013 | None reported |
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