Linux · Amazon Linux · Security advisory · May 8, 2026

ALAS2023-2026-1693: Security update for 18 packages

ALAS2023-2026-1693, released May 8, 2026, fixes 78 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
78
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.9419
99th percentile

Priority of the 78 CVEs

Patch now 0 Urgent 0 High 51 Routine 27

Fixed package versions

ProductReleaseFixed in
bpftool6.18amzn 20231:6.18.25-55.108.amzn2023
bpftool6.18-debuginfoamzn 20231:6.18.25-55.108.amzn2023
kernel-livepatch-6.18.25-55.108amzn 20231:1.0-0.amzn2023
kernel6.18amzn 20231:6.18.25-55.108.amzn2023
kernel6.18-debuginfoamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-debuginfo-common-aarch64amzn 20231:6.18.25-55.108.amzn2023
kernel6.18-debuginfo-common-x86_64amzn 20231:6.18.25-55.108.amzn2023
kernel6.18-develamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-headersamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-modules-extraamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-modules-extra-commonamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-toolsamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-tools-debuginfoamzn 20231:6.18.25-55.108.amzn2023
kernel6.18-tools-develamzn 20231:6.18.25-55.108.amzn2023
perf6.18amzn 20231:6.18.25-55.108.amzn2023
perf6.18-debuginfoamzn 20231:6.18.25-55.108.amzn2023
python3-perf6.18amzn 20231:6.18.25-55.108.amzn2023
python3-perf6.18-debuginfoamzn 20231:6.18.25-55.108.amzn2023

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-43284 xfrm: esp: avoid in-place decrypt on shared skb frags8.8 0.9419 None reported
High CVE-2026-43083 net: ioam6: fix OOB and missing lock9.1 0.0060 None reported
High CVE-2026-31637 rxrpc: reject undecryptable rxkad response tickets9.8 0.0059 None reported
High CVE-2026-43101 ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()7.5 0.0059 None reported
High CVE-2026-43099 kernel-uek: ELSA-2026-50372: Unbreakable Enterprise kernel security update (IMPORTANT)7.5 0.0050 None reported
High CVE-2026-31685 netfilter: ip6t_eui64: reject invalid MAC header for all packets9.4 0.0049 None reported
High CVE-2026-43074 kernel-source: eventpoll: defer struct eventpoll free to RCU grace period (bsc#1264263).7.8 0.0048 None reported
High CVE-2026-31669 mptcp: fix slab-use-after-free in __inet_lookup_established9.8 0.0047 None reported
High CVE-2026-43071 kernel-uek: dcache: Limit the minimal number of bucket to two (Zhihao Cheng) [Orabug: 39323133]9.1 0.0046 None reported
High CVE-2026-43117 kernel-64kb: Security update for the Linux Kernel9.1 0.0046 None reported
High CVE-2026-31668 seg6: separate dst_cache for input and output paths in seg6 lwtunnel9.8 0.0044 None reported
High CVE-2026-31533 kernel-default: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262758).9.8 0.0040 None reported
High CVE-2026-31662 tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG7.5 0.0039 None reported
High CVE-2026-31613 smb: client: fix OOB reads parsing symlink error response8.8 0.0039 None reported
High CVE-2026-43114 kernel-rt-64k-modules-core: kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry9.4 0.0037 None reported
High CVE-2026-43112 kernel-64kb: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (bsc#1264437).8.8 0.0035 None reported
High CVE-2026-31708 smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path8.1 0.0035 None reported
High CVE-2026-43350 kernel-64kb: smb: client: require a full NFS mode SID before reading mode bits (bsc#1264985).7.6 0.0032 None reported
High CVE-2026-31607 usbip: validate number_of_packets in usbip_pack_ret_submit()9.8 0.0031 None reported
High CVE-2026-31600 arm64: mm: Handle invalid large leaf mappings correctly7.5 0.0029 None reported
High CVE-2026-31694 fuse: reject oversized dirents in page cache7.8 0.0028 None reported
High CVE-2026-31663 xfrm: hold dev ref until after transport_finish NF_HOOK8.8 0.0022 None reported
High CVE-2026-31588 KVM: x86: Use scratch field in MMIO fragment to hold small write values8.8 0.0019 None reported
High CVE-2026-31407 netfilter: conntrack: add missing netlink policy validations7.1 0.0018 None reported
High CVE-2026-31719 linux: In the Linux kernel, the following vulnerability has been resolved: crypto: krb5enc - fix async decrypt skipping has...7.5 0.0018 None reported
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