Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-107 (ALASKERNEL-5.15-2026-107)

high Nessus Plugin ID 322048

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of kernel installed on the remote host is prior to 5.15.209-147.245. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2026-107 advisory.

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

blk-mq: use quiesced elevator switch when reinitializing queues (CVE-2022-50552)

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

net: clear the dst when changing skb protocol (CVE-2025-38192)

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

binfmt_misc: restore write access before closing files opened by open_exec() (CVE-2025-68239)

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

btrfs: do not strictly require dirty metadata threshold for metadata writepages (CVE-2026-23157)

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

net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204)

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

netfilter: nf_tables: unconditionally bump set->nelems before insertion (CVE-2026-23272)

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

nf_tables: nft_dynset: fix possible stateful expression memleak in error path (CVE-2026-23399)

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

ipv6: add NULL checks for idev in SRv6 paths (CVE-2026-23442)

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

netfilter: conntrack: add missing netlink policy validations (CVE-2026-31407)

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

spi: meson-spicc: Fix double-put in remove path (CVE-2026-31489)

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

can: raw: fix ro->uniq use-after-free in raw_rcv() (CVE-2026-31532)

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

nilfs2: fix NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map (CVE-2026-31577)

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

bcache: fix cached_dev.sb_bio use-after-free and crash (CVE-2026-31580)

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

mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (CVE-2026-31586)

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

KVM: x86: Use scratch field in MMIO fragment to hold small write values (CVE-2026-31588)

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

KVM: SEV: Drop WARN on large size for KVM_MEMORY_ENCRYPT_REG_REGION (CVE-2026-31590)

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

media: vidtv: fix NULL pointer dereference in vidtv_channel_pmt_match_sections (CVE-2026-31599)

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

usbip: validate number_of_packets in usbip_pack_ret_submit() (CVE-2026-31607)

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

HID: core: clamp report_size in s32ton() to avoid undefined shift (CVE-2026-31624)

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

xfrm: clear trailing padding in build_polexpire() (CVE-2026-31664)

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

af_unix: read UNIX_DIAG_VFS data under unix_state_lock (CVE-2026-31673)

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

netfilter: xt_multiport: validate range encoding in checkentry (CVE-2026-31681)

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

net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)

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

netfilter: ip6t_eui64: reject invalid MAC header for all packets (CVE-2026-31685)

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

rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692)

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

fuse: reject oversized dirents in page cache (CVE-2026-31694)

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

fs/ntfs3: validate rec->used in journal-replay file record check (CVE-2026-31716)

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

perf/x86/intel/uncore: Skip discovery table for offline dies (CVE-2026-43079)

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

netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator (CVE-2026-43085)

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

xfrm_user: fix info leak in build_mapping() (CVE-2026-43089)

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

xsk: tighten UMEM headroom validation to account for tailroom and min frame (CVE-2026-43093)

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

ipv4: icmp: fix null-ptr-deref in icmp_build_probe() (CVE-2026-43099)

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

fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112)

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

netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114)

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

btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() (CVE-2026-43117)

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

mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() (CVE-2026-43281)

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

cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path (CVE-2026-43328)

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

crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)

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

net/sched: sch_red: Replace direct dequeue call with peek and qdisc_dequeue_peeked (CVE-2026-43496)

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

net/rds: handle zerocopy send cleanup before the message is queued (CVE-2026-43502)

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

bpf: fix end-of-list detection in cgroup_storage_get_next_key() (CVE-2026-45838)

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

bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec() (CVE-2026-45839)

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

openvswitch: cap upcall PID array size and pre-size vport replies (CVE-2026-45840)

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

netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO (CVE-2026-45841)

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

KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2 (CVE-2026-45987)

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

tcp: call sk_data_ready() after listener migration (CVE-2026-46015)

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

dm mirror: fix integer overflow in create_dirty_log() (CVE-2026-46023)

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

libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply() (CVE-2026-46024)

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

crypto: authencesn - reject short ahash digests during instance creation (CVE-2026-46033)

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

ipv4: icmp: validate reply type before using icmp_pointers (CVE-2026-46037)

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

inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails (CVE-2026-46040)

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

ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all() (CVE-2026-46046)

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

md/raid10: fix deadlock with check operation and nowait requests (CVE-2026-46050)

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

md/raid5: fix soft lockup in retry_aligned_read() (CVE-2026-46051)

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

net: rds: fix MR cleanup on copy error (CVE-2026-46053)

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

ntfs3: fix integer overflow in run_unpack() volume boundary check (CVE-2026-46062)

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

md/raid5: validate payload size before accessing journal metadata (CVE-2026-46070)

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

ntfs3: add buffer boundary checks to run_unpack() (CVE-2026-46072)

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

KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0 (CVE-2026-46082)

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

net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)

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

netfilter: reject zero shift in nft_bitwise (CVE-2026-46101)

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

net: strparser: fix skb_head leak in strp_abort_strp() (CVE-2026-46102)

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

dm-thin: fix metadata refcount underflow (CVE-2026-46107)

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

libceph: Fix slab-out-of-bounds access in auth message processing (CVE-2026-46119)

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

ip6_gre: Use cached t->net in ip6erspan_changelink(). (CVE-2026-46120)

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

isofs: validate block number from NFS file handle in isofs_export_iget (CVE-2026-46124)

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

net: rtnetlink: zero ifla_vf_broadcast to avoid stack infoleak in rtnl_fill_vfinfo (CVE-2026-46132)

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

scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

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

fanotify: fix false positive on permission events (CVE-2026-46150)

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

md/raid10: fix divide-by-zero in setup_geo() with zero far_copies (CVE-2026-46161)

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

mptcp: fix scheduling with atomic in timestamp sockopt (CVE-2026-46168)

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

ipv6: xfrm6: release dst on error in xfrm6_rcv_encap() (CVE-2026-46172)

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

drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

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

vsock/virtio: fix accept queue count leak on transport mismatch (CVE-2026-46214)

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

sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)

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

vsock: fix buffer size clamping order (CVE-2026-46234)

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

dm: fix a buffer overflow in ioctl processing (CVE-2026-46294)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update kernel' or or 'yum update --advisory ALAS2KERNEL-5.15-2026-107' to update your system.

Plugin Details

Severity: High

ID: 322048

File Name: al2_ALASKERNEL-5_15-2026-107.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 6/22/2026

Updated: 6/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-46234

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-headers, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:kernel-livepatch-5.15.209-147.245, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:python-perf

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/22/2026

Vulnerability Publication Date: 7/4/2025

Reference Information

CVE: CVE-2022-50552, CVE-2025-38192, CVE-2025-68239, CVE-2026-23157, CVE-2026-23204, CVE-2026-23272, CVE-2026-23399, CVE-2026-23442, CVE-2026-31407, CVE-2026-31489, CVE-2026-31532, CVE-2026-31577, CVE-2026-31580, CVE-2026-31586, CVE-2026-31588, CVE-2026-31590, CVE-2026-31599, CVE-2026-31607, CVE-2026-31624, CVE-2026-31664, CVE-2026-31673, CVE-2026-31681, CVE-2026-31684, CVE-2026-31685, CVE-2026-31692, CVE-2026-31694, CVE-2026-31716, CVE-2026-43079, CVE-2026-43085, CVE-2026-43089, CVE-2026-43093, CVE-2026-43099, CVE-2026-43112, CVE-2026-43114, CVE-2026-43117, CVE-2026-43281, CVE-2026-43328, CVE-2026-43493, CVE-2026-43496, CVE-2026-43502, CVE-2026-45838, CVE-2026-45839, CVE-2026-45840, CVE-2026-45841, CVE-2026-45987, CVE-2026-46015, CVE-2026-46023, CVE-2026-46024, CVE-2026-46033, CVE-2026-46037, CVE-2026-46040, CVE-2026-46046, CVE-2026-46050, CVE-2026-46051, CVE-2026-46053, CVE-2026-46062, CVE-2026-46070, CVE-2026-46072, CVE-2026-46082, CVE-2026-46099, CVE-2026-46101, CVE-2026-46102, CVE-2026-46107, CVE-2026-46119, CVE-2026-46120, CVE-2026-46124, CVE-2026-46132, CVE-2026-46149, CVE-2026-46150, CVE-2026-46161, CVE-2026-46168, CVE-2026-46172, CVE-2026-46209, CVE-2026-46214, CVE-2026-46227, CVE-2026-46234, CVE-2026-46294

Detections

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