Amazon Linux 2023 Security Advisory: ALAS2023-2025-1186
Advisory Released Date: 2025-09-15
Advisory Updated Date: 2025-10-02
FAQs regarding Amazon Linux ALAS/CVE Severity
In the Linux kernel, the following vulnerability has been resolved:
tls: separate no-async decryption request handling from async (CVE-2024-58240)
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix UAF in decryption with multichannel (CVE-2025-37750)
In the Linux kernel, the following vulnerability has been resolved:
mptcp: make fallback action and fallback decision atomic
CVE-2025-38491 addresses a race condition vulnerability in the Linux kernel's MPTCP (Multipath TCP) implementation. The issue relates to how fallback actions and decisions are handled in the MPTCP protocol. Weighing the tradeoffs between operational risk from doing this complex backport and the security impact of CVE-2025-38491, Amazon Linux will not provide a fix for the 5.10 and 5.15 kernels of Amazon Linux 2. Amazon Linux recommends customers to use Amazon Linux 2023. (CVE-2025-38491)
In the Linux kernel, the following vulnerability has been resolved:
mptcp: plug races between subflow fail and subflow creation (CVE-2025-38552)
In the Linux kernel, the following vulnerability has been resolved:
eventpoll: Fix semi-unbounded recursion (CVE-2025-38614)
In the Linux kernel, the following vulnerability has been resolved:
arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack() (CVE-2025-38670)
In the Linux kernel, the following vulnerability has been resolved:
iommu/amd: Avoid stack buffer overflow from kernel cmdline (CVE-2025-38676)
In the Linux kernel, the following vulnerability has been resolved:
mm/ptdump: take the memory hotplug lock inside ptdump_walk_pgd() (CVE-2025-38681)
In the Linux kernel, the following vulnerability has been resolved:
hv_netvsc: Fix panic during namespace deletion with VF (CVE-2025-38683)
In the Linux kernel, the following vulnerability has been resolved:
net/sched: ets: use old 'nbands' while purging unused classes (CVE-2025-38684)
In the Linux kernel, the following vulnerability has been resolved:
fbdev: Fix vmalloc out-of-bounds write in fast_imageblit (CVE-2025-38685)
In the Linux kernel, the following vulnerability has been resolved:
pNFS: Fix uninited ptr deref in block/scsi layout (CVE-2025-38691)
In the Linux kernel, the following vulnerability has been resolved:
scsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated (CVE-2025-38700)
In the Linux kernel, the following vulnerability has been resolved:
ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr (CVE-2025-38701)
In the Linux kernel, the following vulnerability has been resolved:
fbdev: fix potential buffer overflow in do_register_framebuffer() (CVE-2025-38702)
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Add sanity check for file name (CVE-2025-38707)
In the Linux kernel, the following vulnerability has been resolved:
drbd: add missing kref_get in handle_write_conflicts (CVE-2025-38708)
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ctnetlink: fix refcount leak on table dump (CVE-2025-38721)
In the Linux kernel, the following vulnerability has been resolved:
nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)
In the Linux kernel, the following vulnerability has been resolved:
smb3: fix for slab out of bounds on mount to ksmbd (CVE-2025-38728)
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_reject: don't leak dst refcount for loopback packets (CVE-2025-38732)
In the Linux kernel, the following vulnerability has been resolved:
ppp: fix race conditions in ppp_fill_forward_path (CVE-2025-39673)
In the Linux kernel, the following vulnerability has been resolved:
x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper (CVE-2025-39681)
In the Linux kernel, the following vulnerability has been resolved:
tls: fix handling of zero-length records on the rx_list (CVE-2025-39682)
In the Linux kernel, the following vulnerability has been resolved:
tracing: Limit access to parser->buffer when trace_get_user failed (CVE-2025-39683)
In the Linux kernel, the following vulnerability has been resolved:
ftrace: Also allocate and copy hash for reading of filter files (CVE-2025-39689)
In the Linux kernel, the following vulnerability has been resolved:
fs/buffer: fix use-after-free when call bh_read() helper (CVE-2025-39691)
In the Linux kernel, the following vulnerability has been resolved:
NFS: Fix a race when updating an existing write (CVE-2025-39697)
In the Linux kernel, the following vulnerability has been resolved:
ipv6: sr: Fix MAC comparison to be constant-time (CVE-2025-39702)
In the Linux kernel, the following vulnerability has been resolved:
vsock/virtio: Validate length in packet header before skb_put() (CVE-2025-39718)
In the Linux kernel, the following vulnerability has been resolved:
serial: 8250: fix panic due to PSLVERR (CVE-2025-39724)
In the Linux kernel, the following vulnerability has been resolved:
mm/kmemleak: avoid deadlock by moving pr_warn() outside kmemleak_lock (CVE-2025-39736)
In the Linux kernel, the following vulnerability has been resolved:
btrfs: do not allow relocation of partially dropped subvolumes (CVE-2025-39738)
In the Linux kernel, the following vulnerability has been resolved:
rcu: Protect ->defer_qs_iw_pending from data race (CVE-2025-39749)
In the Linux kernel, the following vulnerability has been resolved:
fs: Prevent file descriptor table allocations exceeding INT_MAX (CVE-2025-39756)
In the Linux kernel, the following vulnerability has been resolved:
btrfs: qgroup: fix race between quota disable and quota rescan ioctl (CVE-2025-39759)
In the Linux kernel, the following vulnerability has been resolved:
usb: core: config: Prevent OOB read in SS endpoint companion parsing (CVE-2025-39760)
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit (CVE-2025-39766)
In the Linux kernel, the following vulnerability has been resolved:
net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM (CVE-2025-39770)
In the Linux kernel, the following vulnerability has been resolved:
net: bridge: fix soft lockup in br_multicast_query_expired() (CVE-2025-39773)
In the Linux kernel, the following vulnerability has been resolved:
jbd2: prevent softlockup in jbd2_log_do_checkpoint() (CVE-2025-39782)
In the Linux kernel, the following vulnerability has been resolved:
PCI: endpoint: Fix configfs group list head handling (CVE-2025-39783)
In the Linux kernel, the following vulnerability has been resolved:
block: avoid possible overflow for chunk_sectors check in blk_stack_limits() (CVE-2025-39795)
In the Linux kernel, the following vulnerability has been resolved:
NFS: Fix the setting of capabilities when automounting a new filesystem (CVE-2025-39798)
In the Linux kernel, the following vulnerability has been resolved:
btrfs: abort transaction on unexpected eb generation at btrfs_copy_root() (CVE-2025-39800)
In the Linux kernel, the following vulnerability has been resolved:
HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() (CVE-2025-39806)
In the Linux kernel, the following vulnerability has been resolved:
sctp: initialize more fields in sctp_v6_from_sk() (CVE-2025-39812)
In the Linux kernel, the following vulnerability has been resolved:
ftrace: Fix potential warning in trace_printk_seq during ftrace_dump (CVE-2025-39813)
In the Linux kernel, the following vulnerability has been resolved:
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)
In the Linux kernel, the following vulnerability has been resolved:
fs/smb: Fix inconsistent refcnt update (CVE-2025-39819)
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: use array_index_nospec with indices that come from guest (CVE-2025-39823)
In the Linux kernel, the following vulnerability has been resolved:
HID: asus: fix UAF via HID_CLAIMED_INPUT validation (CVE-2025-39824)
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix race with concurrent opens in rename(2) (CVE-2025-39825)
In the Linux kernel, the following vulnerability has been resolved:
xfs: do not propagate ENODATA disk errors into xattr code (CVE-2025-39835)
Affected Packages:
kernel
Issue Correction:
Run dnf update kernel --releasever 2023.8.20250915 or dnf update --advisory ALAS2023-2025-1186 --releasever 2023.8.20250915 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
aarch64:
kernel-libbpf-debuginfo-6.1.150-174.273.amzn2023.aarch64
kernel-libbpf-devel-6.1.150-174.273.amzn2023.aarch64
kernel-tools-debuginfo-6.1.150-174.273.amzn2023.aarch64
kernel-modules-extra-common-6.1.150-174.273.amzn2023.aarch64
bpftool-debuginfo-6.1.150-174.273.amzn2023.aarch64
perf-6.1.150-174.273.amzn2023.aarch64
kernel-modules-extra-6.1.150-174.273.amzn2023.aarch64
kernel-libbpf-static-6.1.150-174.273.amzn2023.aarch64
kernel-tools-6.1.150-174.273.amzn2023.aarch64
kernel-livepatch-6.1.150-174.273-1.0-0.amzn2023.aarch64
kernel-tools-devel-6.1.150-174.273.amzn2023.aarch64
python3-perf-6.1.150-174.273.amzn2023.aarch64
kernel-libbpf-6.1.150-174.273.amzn2023.aarch64
perf-debuginfo-6.1.150-174.273.amzn2023.aarch64
kernel-headers-6.1.150-174.273.amzn2023.aarch64
python3-perf-debuginfo-6.1.150-174.273.amzn2023.aarch64
bpftool-6.1.150-174.273.amzn2023.aarch64
kernel-debuginfo-6.1.150-174.273.amzn2023.aarch64
kernel-6.1.150-174.273.amzn2023.aarch64
kernel-debuginfo-common-aarch64-6.1.150-174.273.amzn2023.aarch64
kernel-devel-6.1.150-174.273.amzn2023.aarch64
src:
kernel-6.1.150-174.273.amzn2023.src
x86_64:
kernel-libbpf-debuginfo-6.1.150-174.273.amzn2023.x86_64
kernel-tools-6.1.150-174.273.amzn2023.x86_64
kernel-tools-devel-6.1.150-174.273.amzn2023.x86_64
kernel-livepatch-6.1.150-174.273-1.0-0.amzn2023.x86_64
kernel-tools-debuginfo-6.1.150-174.273.amzn2023.x86_64
bpftool-debuginfo-6.1.150-174.273.amzn2023.x86_64
kernel-modules-extra-6.1.150-174.273.amzn2023.x86_64
bpftool-6.1.150-174.273.amzn2023.x86_64
kernel-libbpf-6.1.150-174.273.amzn2023.x86_64
kernel-modules-extra-common-6.1.150-174.273.amzn2023.x86_64
perf-debuginfo-6.1.150-174.273.amzn2023.x86_64
python3-perf-debuginfo-6.1.150-174.273.amzn2023.x86_64
perf-6.1.150-174.273.amzn2023.x86_64
python3-perf-6.1.150-174.273.amzn2023.x86_64
kernel-libbpf-static-6.1.150-174.273.amzn2023.x86_64
kernel-libbpf-devel-6.1.150-174.273.amzn2023.x86_64
kernel-headers-6.1.150-174.273.amzn2023.x86_64
kernel-debuginfo-6.1.150-174.273.amzn2023.x86_64
kernel-6.1.150-174.273.amzn2023.x86_64
kernel-debuginfo-common-x86_64-6.1.150-174.273.amzn2023.x86_64
kernel-devel-6.1.150-174.273.amzn2023.x86_64
2025-10-02: CVE-2025-39812 was added to this advisory.
2025-10-02: CVE-2025-39756 was added to this advisory.
2025-10-02: CVE-2025-39835 was added to this advisory.
2025-10-02: CVE-2025-38670 was added to this advisory.
2025-10-02: CVE-2025-39736 was added to this advisory.
2025-10-02: CVE-2025-39813 was added to this advisory.
2025-10-02: CVE-2025-39798 was added to this advisory.
2025-10-02: CVE-2025-38681 was added to this advisory.
2025-10-02: CVE-2025-38552 was added to this advisory.
2025-10-02: CVE-2025-38708 was added to this advisory.
2025-10-02: CVE-2025-38728 was added to this advisory.
2025-10-02: CVE-2025-39724 was added to this advisory.
2025-10-02: CVE-2025-38691 was added to this advisory.
2025-10-02: CVE-2025-39718 was added to this advisory.
2025-10-02: CVE-2025-39819 was added to this advisory.
2025-10-02: CVE-2025-39749 was added to this advisory.
2025-10-02: CVE-2025-39795 was added to this advisory.
2025-10-02: CVE-2025-39759 was added to this advisory.
2025-10-02: CVE-2025-38702 was added to this advisory.
2025-10-02: CVE-2025-38707 was added to this advisory.
2025-10-02: CVE-2025-38676 was added to this advisory.
2025-10-02: CVE-2025-39760 was added to this advisory.
2025-10-02: CVE-2025-39681 was added to this advisory.
2025-10-02: CVE-2025-39738 was added to this advisory.
2025-10-02: CVE-2025-39800 was added to this advisory.
2025-10-02: CVE-2025-39782 was added to this advisory.
2025-10-02: CVE-2025-38685 was added to this advisory.
2025-10-02: CVE-2025-38721 was added to this advisory.
2025-10-02: CVE-2025-39783 was added to this advisory.
2025-09-22: CVE-2024-58240 was added to this advisory.
2025-09-22: CVE-2025-39702 was added to this advisory.
2025-09-22: CVE-2025-39825 was added to this advisory.
2025-09-22: CVE-2025-39823 was added to this advisory.
2025-09-22: CVE-2025-39766 was added to this advisory.
2025-09-22: CVE-2025-39682 was added to this advisory.
2025-09-22: CVE-2025-39697 was added to this advisory.
2025-09-22: CVE-2025-38683 was added to this advisory.
2025-09-22: CVE-2025-38684 was added to this advisory.
2025-09-22: CVE-2025-39806 was added to this advisory.
2025-09-22: CVE-2025-39770 was added to this advisory.
2025-09-22: CVE-2025-39689 was added to this advisory.
2025-09-22: CVE-2025-38700 was added to this advisory.
2025-09-22: CVE-2025-39817 was added to this advisory.
2025-09-22: CVE-2025-39683 was added to this advisory.
2025-09-22: CVE-2025-38701 was added to this advisory.
2025-09-22: CVE-2025-39824 was added to this advisory.
2025-09-22: CVE-2025-39691 was added to this advisory.
2025-09-22: CVE-2025-38724 was added to this advisory.
2025-09-22: CVE-2025-38732 was added to this advisory.
2025-09-19: CVE-2025-39773 was added to this advisory.
2025-09-17: CVE-2025-39673 was added to this advisory.