ALAS2023-2026-2107


Amazon Linux 2023 Security Advisory: ALAS2023-2026-2107
Advisory Released Date: 2026-08-31
Advisory Updated Date: 2026-08-31
Severity: Important

Issue Overview:

In the Linux kernel, the following vulnerability has been resolved:

blk-mq: pop cached request if it is usable (CVE-2026-64017)

In the Linux kernel, the following vulnerability has been resolved:

sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)

In the Linux kernel, the following vulnerability has been resolved:

xfrm: fix sk_dst_cache double-free in xfrm_user_policy() (CVE-2026-64581)

In the Linux kernel, the following vulnerability has been resolved:

rbd: Reset positive result codes to zero in object map update path (CVE-2026-68131)

In the Linux kernel, the following vulnerability has been resolved:

net/sched: serialize qdisc_rtab_list against concurrent get/put (CVE-2026-68138)

In the Linux kernel, the following vulnerability has been resolved:

libceph: Reject monmaps advertising zero monitors (CVE-2026-68155)

In the Linux kernel, the following vulnerability has been resolved:

ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps() (CVE-2026-68160)

In the Linux kernel, the following vulnerability has been resolved:

vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets (CVE-2026-68299)

In the Linux kernel, the following vulnerability has been resolved:

rds: drop incoming messages that cross network namespace boundaries (CVE-2026-68335)

In the Linux kernel, the following vulnerability has been resolved:

net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338)

In the Linux kernel, the following vulnerability has been resolved:

x86/bugs: Make Safe-RET robust against interrupt injection (CVE-2026-68480)

In the Linux kernel, the following vulnerability has been resolved:

net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-72051)

In the Linux kernel, the following vulnerability has been resolved:

scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (CVE-2026-74556)

In the Linux kernel, the following vulnerability has been resolved:

vhost: reset the vring metadata cache on vring reconfiguration (CVE-2026-74580)


Affected Packages:

kernel


Issue Correction:
Run dnf update kernel --releasever 2023.12.20260831 or dnf update --advisory ALAS2023-2026-2107 --releasever 2023.12.20260831 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation

New Packages:
aarch64:
    kernel-tools-devel-6.1.182-227.379.amzn2023.aarch64
    kernel-livepatch-6.1.182-227.379-1.0-0.amzn2023.aarch64
    python3-perf-debuginfo-6.1.182-227.379.amzn2023.aarch64
    kernel-modules-extra-common-6.1.182-227.379.amzn2023.aarch64
    perf-6.1.182-227.379.amzn2023.aarch64
    kernel-tools-6.1.182-227.379.amzn2023.aarch64
    bpftool-6.1.182-227.379.amzn2023.aarch64
    perf-debuginfo-6.1.182-227.379.amzn2023.aarch64
    kernel-headers-6.1.182-227.379.amzn2023.aarch64
    python3-perf-6.1.182-227.379.amzn2023.aarch64
    kernel-tools-debuginfo-6.1.182-227.379.amzn2023.aarch64
    kernel-modules-extra-6.1.182-227.379.amzn2023.aarch64
    bpftool-debuginfo-6.1.182-227.379.amzn2023.aarch64
    kernel-6.1.182-227.379.amzn2023.aarch64
    kernel-debuginfo-6.1.182-227.379.amzn2023.aarch64
    kernel-debuginfo-common-aarch64-6.1.182-227.379.amzn2023.aarch64
    kernel-devel-6.1.182-227.379.amzn2023.aarch64

src:
    kernel-6.1.182-227.379.amzn2023.src

x86_64:
    perf-6.1.182-227.379.amzn2023.x86_64
    perf-debuginfo-6.1.182-227.379.amzn2023.x86_64
    kernel-modules-extra-6.1.182-227.379.amzn2023.x86_64
    kernel-debuginfo-6.1.182-227.379.amzn2023.x86_64
    kernel-tools-debuginfo-6.1.182-227.379.amzn2023.x86_64
    bpftool-debuginfo-6.1.182-227.379.amzn2023.x86_64
    kernel-modules-extra-common-6.1.182-227.379.amzn2023.x86_64
    kernel-livepatch-6.1.182-227.379-1.0-0.amzn2023.x86_64
    kernel-tools-6.1.182-227.379.amzn2023.x86_64
    python3-perf-6.1.182-227.379.amzn2023.x86_64
    python3-perf-debuginfo-6.1.182-227.379.amzn2023.x86_64
    kernel-tools-devel-6.1.182-227.379.amzn2023.x86_64
    bpftool-6.1.182-227.379.amzn2023.x86_64
    kernel-headers-6.1.182-227.379.amzn2023.x86_64
    kernel-6.1.182-227.379.amzn2023.x86_64
    kernel-debuginfo-common-x86_64-6.1.182-227.379.amzn2023.x86_64
    kernel-devel-6.1.182-227.379.amzn2023.x86_64