Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.4-2026-118
Advisory Released Date: 2026-02-19
Advisory Updated Date: 2026-02-19
FAQs regarding Amazon Linux ALAS/CVE Severity
In the Linux kernel, the following vulnerability has been resolved:
net/sched: sch_qfq: Fix null-deref in agg_dequeue (CVE-2025-40083)
In the Linux kernel, the following vulnerability has been resolved:
vsock: Ignore signal/timeout on connect() if already established (CVE-2025-40248)
In the Linux kernel, the following vulnerability has been resolved:
net: openvswitch: remove never-working support for setting nsh fields (CVE-2025-40254)
In the Linux kernel, the following vulnerability has been resolved:
scsi: sg: Do not sleep in atomic context (CVE-2025-40259)
In the Linux kernel, the following vulnerability has been resolved:
fs/proc: fix uaf in proc_readdir_de() (CVE-2025-40271)
In the Linux kernel, the following vulnerability has been resolved:
tipc: Fix use-after-free in tipc_mon_reinit_self(). (CVE-2025-40280)
In the Linux kernel, the following vulnerability has been resolved:
sctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto (CVE-2025-40281)
In the Linux kernel, the following vulnerability has been resolved:
fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds (CVE-2025-40304)
In the Linux kernel, the following vulnerability has been resolved:
fbdev: bitblit: bound-check glyph index in bit_putcs* (CVE-2025-40322)
In the Linux kernel, the following vulnerability has been resolved:
sctp: Prevent TOCTOU out-of-bounds write (CVE-2025-40331)
In the Linux kernel, the following vulnerability has been resolved:
net: ipv6: fix field-spanning memcpy warning in AH output (CVE-2025-40363)
In the Linux kernel, the following vulnerability has been resolved:
cpufreq/longhaul: handle NULL policy in longhaul_exit (CVE-2025-68177)
In the Linux kernel, the following vulnerability has been resolved:
nfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing (CVE-2025-68185)
In the Linux kernel, the following vulnerability has been resolved:
net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup (CVE-2025-68192)
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show() (CVE-2025-68229)
In the Linux kernel, the following vulnerability has been resolved:
ipv4: route: Prevent rt_bind_exception() from rebinding stale fnhe (CVE-2025-68241)
In the Linux kernel, the following vulnerability has been resolved:
net: netpoll: fix incorrect refcount handling causing incorrect cleanup (CVE-2025-68245)
In the Linux kernel, the following vulnerability has been resolved:
usbnet: Prevents free active kevent (CVE-2025-68312)
Affected Packages:
kernel
Note:
This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update kernel or yum update --advisory ALAS2KERNEL-5.4-2026-118 to update your system.
System reboot is required in order to complete this update.
aarch64:
kernel-5.4.302-222.451.amzn2.aarch64
kernel-headers-5.4.302-222.451.amzn2.aarch64
kernel-debuginfo-common-aarch64-5.4.302-222.451.amzn2.aarch64
perf-5.4.302-222.451.amzn2.aarch64
perf-debuginfo-5.4.302-222.451.amzn2.aarch64
python-perf-5.4.302-222.451.amzn2.aarch64
python-perf-debuginfo-5.4.302-222.451.amzn2.aarch64
kernel-tools-5.4.302-222.451.amzn2.aarch64
kernel-tools-devel-5.4.302-222.451.amzn2.aarch64
kernel-tools-debuginfo-5.4.302-222.451.amzn2.aarch64
bpftool-5.4.302-222.451.amzn2.aarch64
bpftool-debuginfo-5.4.302-222.451.amzn2.aarch64
kernel-devel-5.4.302-222.451.amzn2.aarch64
kernel-debuginfo-5.4.302-222.451.amzn2.aarch64
i686:
kernel-headers-5.4.302-222.451.amzn2.i686
src:
kernel-5.4.302-222.451.amzn2.src
x86_64:
kernel-5.4.302-222.451.amzn2.x86_64
kernel-headers-5.4.302-222.451.amzn2.x86_64
kernel-debuginfo-common-x86_64-5.4.302-222.451.amzn2.x86_64
perf-5.4.302-222.451.amzn2.x86_64
perf-debuginfo-5.4.302-222.451.amzn2.x86_64
python-perf-5.4.302-222.451.amzn2.x86_64
python-perf-debuginfo-5.4.302-222.451.amzn2.x86_64
kernel-tools-5.4.302-222.451.amzn2.x86_64
kernel-tools-devel-5.4.302-222.451.amzn2.x86_64
kernel-tools-debuginfo-5.4.302-222.451.amzn2.x86_64
bpftool-5.4.302-222.451.amzn2.x86_64
bpftool-debuginfo-5.4.302-222.451.amzn2.x86_64
kernel-devel-5.4.302-222.451.amzn2.x86_64
kernel-debuginfo-5.4.302-222.451.amzn2.x86_64