Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2025-095
Advisory Released Date: 2025-12-08
Advisory Updated Date: 2025-12-19
FAQs regarding Amazon Linux ALAS/CVE Severity
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: target_core_configfs: Add length check to avoid buffer overflow (CVE-2025-39998)
In the Linux kernel, the following vulnerability has been resolved:
ipvs: Defer ip_vs_ftp unregister during netns cleanup (CVE-2025-40018)
In the Linux kernel, the following vulnerability has been resolved:
crypto: essiv - Check ssize for decryption and in-place encryption (CVE-2025-40019)
In the Linux kernel, the following vulnerability has been resolved:
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak (CVE-2025-40035)
In the Linux kernel, the following vulnerability has been resolved:
tracing: Fix race condition in kprobe initialization causing NULL pointer dereference (CVE-2025-40042)
In the Linux kernel, the following vulnerability has been resolved:
fs: udf: fix OOB read in lengthAllocDescs handling (CVE-2025-40044)
In the Linux kernel, the following vulnerability has been resolved:
uio_hv_generic: Let userspace take care of interrupt mask (CVE-2025-40048)
In the Linux kernel, the following vulnerability has been resolved:
Squashfs: fix uninit-value in squashfs_get_parent (CVE-2025-40049)
In the Linux kernel, the following vulnerability has been resolved:
fs: ntfs3: Fix integer overflow in run_unpack() (CVE-2025-40068)
In the Linux kernel, the following vulnerability has been resolved:
pps: fix warning in pps_register_cdev when register device fail (CVE-2025-40070)
In the Linux kernel, the following vulnerability has been resolved:
bpf: Explicitly check accesses to bpf_sock_addr (CVE-2025-40078)
In the Linux kernel, the following vulnerability has been resolved:
perf: arm_spe: Prevent overflow in PERF_IDX2OFF() (CVE-2025-40081)
In the Linux kernel, the following vulnerability has been resolved:
crypto: rng - Ensure set_ent is always present (CVE-2025-40109)
In the Linux kernel, the following vulnerability has been resolved:
blk-mq: check kobject state_in_sysfs before deleting in blk_mq_unregister_hctx (CVE-2025-40125)
In the Linux kernel, the following vulnerability has been resolved:
dm: fix NULL pointer dereference in __dm_suspend() (CVE-2025-40134)
In the Linux kernel, the following vulnerability has been resolved:
mm: hugetlb: avoid soft lockup when mprotect to large memory area (CVE-2025-40153)
In the Linux kernel, the following vulnerability has been resolved:
pid: Add a judgment for ns null in pid_nr_ns (CVE-2025-40178)
In the Linux kernel, the following vulnerability has been resolved:
ext4: verify orphan file size is not too big (CVE-2025-40179)
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6} (CVE-2025-40183)
In the Linux kernel, the following vulnerability has been resolved:
net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() (CVE-2025-40187)
In the Linux kernel, the following vulnerability has been resolved:
ext4: guard against EA inode refcount underflow in xattr update (CVE-2025-40190)
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: intel_pstate: Fix object lifecycle issue in update_qos_request() (CVE-2025-40194)
In the Linux kernel, the following vulnerability has been resolved:
Squashfs: reject negative file sizes in squashfs_read_inode() (CVE-2025-40200)
In the Linux kernel, the following vulnerability has been resolved:
sctp: Fix MAC comparison to be constant-time (CVE-2025-40204)
In the Linux kernel, the following vulnerability has been resolved:
btrfs: avoid potential out-of-bounds in btrfs_encode_fh() (CVE-2025-40205)
In the Linux kernel, the following vulnerability has been resolved:
PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV (CVE-2025-40219)
Affected Packages:
kernel
Note:
This advisory is applicable to Amazon Linux 2 - Kernel-5.15 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-5.15-2025-095 to update your system.
System reboot is required in order to complete this update.
aarch64:
kernel-5.15.195-136.216.amzn2.aarch64
kernel-headers-5.15.195-136.216.amzn2.aarch64
kernel-debuginfo-common-aarch64-5.15.195-136.216.amzn2.aarch64
perf-5.15.195-136.216.amzn2.aarch64
perf-debuginfo-5.15.195-136.216.amzn2.aarch64
python-perf-5.15.195-136.216.amzn2.aarch64
python-perf-debuginfo-5.15.195-136.216.amzn2.aarch64
kernel-tools-5.15.195-136.216.amzn2.aarch64
kernel-tools-devel-5.15.195-136.216.amzn2.aarch64
kernel-tools-debuginfo-5.15.195-136.216.amzn2.aarch64
bpftool-5.15.195-136.216.amzn2.aarch64
bpftool-debuginfo-5.15.195-136.216.amzn2.aarch64
kernel-devel-5.15.195-136.216.amzn2.aarch64
kernel-debuginfo-5.15.195-136.216.amzn2.aarch64
kernel-livepatch-5.15.195-136.216-1.0-0.amzn2.aarch64
i686:
kernel-headers-5.15.195-136.216.amzn2.i686
src:
kernel-5.15.195-136.216.amzn2.src
x86_64:
kernel-5.15.195-136.216.amzn2.x86_64
kernel-headers-5.15.195-136.216.amzn2.x86_64
kernel-debuginfo-common-x86_64-5.15.195-136.216.amzn2.x86_64
perf-5.15.195-136.216.amzn2.x86_64
perf-debuginfo-5.15.195-136.216.amzn2.x86_64
python-perf-5.15.195-136.216.amzn2.x86_64
python-perf-debuginfo-5.15.195-136.216.amzn2.x86_64
kernel-tools-5.15.195-136.216.amzn2.x86_64
kernel-tools-devel-5.15.195-136.216.amzn2.x86_64
kernel-tools-debuginfo-5.15.195-136.216.amzn2.x86_64
bpftool-5.15.195-136.216.amzn2.x86_64
bpftool-debuginfo-5.15.195-136.216.amzn2.x86_64
kernel-devel-5.15.195-136.216.amzn2.x86_64
kernel-debuginfo-5.15.195-136.216.amzn2.x86_64
kernel-livepatch-5.15.195-136.216-1.0-0.amzn2.x86_64
2025-12-19: CVE-2025-40219 was added to this advisory.