ALAS2KERNEL-5.15-2026-100


Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2026-100
Advisory Released Date: 2026-04-30
Advisory Updated Date: 2026-05-13
Severity: Important

Issue Overview:

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

fs: ntfs3: fix infinite loop in attr_load_runs_range on inconsistent metadata (CVE-2025-71265)

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

fs: ntfs3: check return value of indx_find to avoid infinite loop (CVE-2025-71266)

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

fs: ntfs3: fix infinite loop triggered by zero-sized ATTR_LIST (CVE-2025-71267)

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:

KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133)

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:

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:

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:

ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() (CVE-2026-43186)

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:

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:

libceph: define and enforce CEPH_MAX_KEY_LEN (CVE-2026-43304)

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

ACPI: processor: Fix NULL-pointer dereference in acpi_processor_errata_piix4() (CVE-2026-43313)

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:

KVM: nSVM: Remove a user-triggerable WARN on nested_svm_load_cr3() succeeding (CVE-2026-43315)


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-5.15-2026-100 to update your system.

New Packages:
aarch64:
    kernel-5.15.202-141.223.amzn2.aarch64
    kernel-headers-5.15.202-141.223.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.15.202-141.223.amzn2.aarch64
    perf-5.15.202-141.223.amzn2.aarch64
    perf-debuginfo-5.15.202-141.223.amzn2.aarch64
    python-perf-5.15.202-141.223.amzn2.aarch64
    python-perf-debuginfo-5.15.202-141.223.amzn2.aarch64
    kernel-tools-5.15.202-141.223.amzn2.aarch64
    kernel-tools-devel-5.15.202-141.223.amzn2.aarch64
    kernel-tools-debuginfo-5.15.202-141.223.amzn2.aarch64
    bpftool-5.15.202-141.223.amzn2.aarch64
    bpftool-debuginfo-5.15.202-141.223.amzn2.aarch64
    kernel-devel-5.15.202-141.223.amzn2.aarch64
    kernel-debuginfo-5.15.202-141.223.amzn2.aarch64
    kernel-livepatch-5.15.202-141.223-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.15.202-141.223.amzn2.i686

src:
    kernel-5.15.202-141.223.amzn2.src

x86_64:
    kernel-5.15.202-141.223.amzn2.x86_64
    kernel-headers-5.15.202-141.223.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.15.202-141.223.amzn2.x86_64
    perf-5.15.202-141.223.amzn2.x86_64
    perf-debuginfo-5.15.202-141.223.amzn2.x86_64
    python-perf-5.15.202-141.223.amzn2.x86_64
    python-perf-debuginfo-5.15.202-141.223.amzn2.x86_64
    kernel-tools-5.15.202-141.223.amzn2.x86_64
    kernel-tools-devel-5.15.202-141.223.amzn2.x86_64
    kernel-tools-debuginfo-5.15.202-141.223.amzn2.x86_64
    bpftool-5.15.202-141.223.amzn2.x86_64
    bpftool-debuginfo-5.15.202-141.223.amzn2.x86_64
    kernel-devel-5.15.202-141.223.amzn2.x86_64
    kernel-debuginfo-5.15.202-141.223.amzn2.x86_64
    kernel-livepatch-5.15.202-141.223-1.0-0.amzn2.x86_64

Changelog:

2026-05-13: CVE-2026-43266 was added to this advisory.

2026-05-13: CVE-2026-43133 was added to this advisory.

2026-05-13: CVE-2026-43147 was added to this advisory.

2026-05-13: CVE-2026-43287 was added to this advisory.

2026-05-13: CVE-2026-43233 was added to this advisory.

2026-05-13: CVE-2026-43261 was added to this advisory.

2026-05-13: CVE-2026-43187 was added to this advisory.

2026-05-13: CVE-2026-43163 was added to this advisory.

2026-05-13: CVE-2026-43273 was added to this advisory.

2026-05-13: CVE-2026-43277 was added to this advisory.

2026-05-13: CVE-2026-43139 was added to this advisory.

2026-05-13: CVE-2026-43194 was added to this advisory.

2026-05-13: CVE-2026-43186 was added to this advisory.

2026-05-13: CVE-2026-43190 was added to this advisory.

2026-05-13: CVE-2026-43313 was added to this advisory.

2026-05-13: CVE-2026-43226 was added to this advisory.

2026-05-13: CVE-2026-43211 was added to this advisory.

2026-05-13: CVE-2026-43230 was added to this advisory.

2026-05-13: CVE-2026-43315 was added to this advisory.

2026-05-13: CVE-2026-43304 was added to this advisory.

2026-05-13: CVE-2026-43289 was added to this advisory.

2026-05-13: CVE-2026-43171 was added to this advisory.

2026-05-13: CVE-2026-43152 was added to this advisory.

2026-05-13: CVE-2026-43130 was added to this advisory.

2026-05-13: CVE-2026-43314 was added to this advisory.

2026-05-13: CVE-2026-43124 was added to this advisory.

2026-05-13: CVE-2026-43158 was added to this advisory.