Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-115 (ALASKERNEL-5.10-2026-115)

medium Nessus Plugin ID 304608

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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 5.10.252-250.992. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-115 advisory.

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

smack: /smack/doi: accept previously used values (CVE-2025-71304)

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

rxrpc: Fix recvmsg() unconditional requeue (CVE-2026-23066)

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

RDMA/umad: Reject negative data_len in ib_umad_write (CVE-2026-23243)

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

macvlan: observe an RCU grace period in macvlan_common_newlink() error path (CVE-2026-23273)

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

pstore: ram_core: fix incorrect success return when vmap() fails (CVE-2026-43124)

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

iommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode (CVE-2026-43130)

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

dm-verity: correctly handle dm_bufio_client_create() failure (CVE-2026-43132)

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

HID: logitech-hidpp: Check maxfield in hidpp_get_report_length() (CVE-2026-43136)

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

xfrm6: fix uninitialized saddr in xfrm6_get_saddr() (CVE-2026-43139)

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

HID: magicmouse: Do not crash on missing msc->input (CVE-2026-43140)

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

Revert PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV (CVE-2026-43147)

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

HID: hid-pl: handle probe errors (CVE-2026-43152)

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

net: usb: pegasus: enable basic endpoint checking (CVE-2026-43156)

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

xfs: fix freemap adjustments when adding xattrs to leaf blocks (CVE-2026-43158)

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

md/bitmap: fix GPF in write_page caused by resize race (CVE-2026-43163)

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

EFI/CPER: don't dump the entire memory region (CVE-2026-43171)

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

net: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode (CVE-2026-43180)

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

xfs: delete attr leaf freemap entries when empty (CVE-2026-43187)

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

netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190)

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

net: consume xmit errors of GSO frames (CVE-2026-43194)

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

PCI: Fix pci_slot_trylock() error handling (CVE-2026-43211)

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

net/rds: No shortcut out of RDS_CONN_ERROR (CVE-2026-43226)

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

net/rds: Clear reconnect pending bit (CVE-2026-43230)

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

netfilter: nf_conntrack_h323: fix OOB read in decode_choice() (CVE-2026-43233)

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

arm64: Add support for TSV110 Spectre-BHB mitigation (CVE-2026-43261)

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

EFI/CPER: don't go past the ARM processor CPER record buffer (CVE-2026-43266)

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

hfsplus: pretend special inodes as regular files (CVE-2026-43268)

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

ceph: supply snapshot context in ceph_zero_partial_object() (CVE-2026-43273)

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

APEI/GHES: ensure that won't go past CPER allocated record (CVE-2026-43277)

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

drm: Account property blob allocations to memcg (CVE-2026-43287)

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

kexec: derive purgatory entry from symbol (CVE-2026-43289)

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

dm: remove fake timeout to avoid leak request (CVE-2026-43314)

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

RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)

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

RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856)

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

scsi: csiostor: Fix dereference of null pointer rn (CVE-2026-45857)

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

netfilter: nf_conncount: increase the connection clean up limit to 64 (CVE-2026-45860)

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

iommu/vt-d: Flush cache for PASID table before using it (CVE-2026-45862)

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

SUNRPC: auth_gss: fix memory leaks in XDR decoding error paths (CVE-2026-45870)

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

netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets (CVE-2026-45873)

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

xen-netback: reject zero-queue configuration from guest (CVE-2026-45890)

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

ext4: don't cache extent during splitting extent (CVE-2026-45912)

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

fat: avoid parent link count underflow in rmdir (CVE-2026-45915)

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

sched/rt: Skip currently executing CPU in rto_next_cpu() (CVE-2026-45919)

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

net: usb: catc: enable basic endpoint checking (CVE-2026-45923)

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

ext4: fix memory leak in ext4_ext_shift_extents() (CVE-2026-45948)

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

hfsplus: return error when node already exists in hfs_bnode_create (CVE-2026-45960)

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

SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path (CVE-2026-45964)

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

cpuidle: Skip governor when only one idle state is available (CVE-2026-45968)

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

bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970)

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

btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found (CVE-2026-45974)

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

nfsd: never defer requests during idmap lookup (CVE-2026-45983)

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

gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)

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

pstore/ram: fix buffer overflow in persistent_ram_save_old() (CVE-2026-46253)

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

procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)

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

apparmor: fix rlimit for posix cpu timers (CVE-2026-46328)

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-5.10-2026-115' to update your system.

Plugin Details

Severity: Medium

ID: 304608

File Name: al2_ALASKERNEL-5_10-2026-115.nasl

Version: 1.6

Type: Local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 4/1/2026

Updated: 6/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-45983

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-livepatch-5.10.252-250.992, 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: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: 4/1/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2025-71304, CVE-2026-23066, CVE-2026-23243, CVE-2026-23273, CVE-2026-43124, CVE-2026-43130, CVE-2026-43132, CVE-2026-43136, CVE-2026-43139, CVE-2026-43140, CVE-2026-43147, CVE-2026-43152, CVE-2026-43156, CVE-2026-43158, CVE-2026-43163, CVE-2026-43171, CVE-2026-43180, CVE-2026-43187, CVE-2026-43190, CVE-2026-43194, CVE-2026-43211, CVE-2026-43226, CVE-2026-43230, CVE-2026-43233, CVE-2026-43261, CVE-2026-43266, CVE-2026-43268, CVE-2026-43273, CVE-2026-43277, CVE-2026-43287, CVE-2026-43289, CVE-2026-43314, CVE-2026-45852, CVE-2026-45856, CVE-2026-45857, CVE-2026-45860, CVE-2026-45862, CVE-2026-45870, CVE-2026-45873, CVE-2026-45890, CVE-2026-45912, CVE-2026-45915, CVE-2026-45919, CVE-2026-45923, CVE-2026-45948, CVE-2026-45960, CVE-2026-45964, CVE-2026-45968, CVE-2026-45970, CVE-2026-45974, CVE-2026-45983, CVE-2026-45984, CVE-2026-46253, CVE-2026-46259, CVE-2026-46328

Detections

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