Amazon Linux 2 Security Advisory: ALAS2-2025-2790
Advisory Released Date: 2025-03-06
Advisory Updated Date: 2025-05-19
FAQs regarding Amazon Linux ALAS/CVE Severity
An out-of-bounds write flaw was found in the Linux kernel’s framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUT_VSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2021-33655)
A memory access flaw was found in the Linux kernel's XEN hypervisor for the virtual machine. This flaw allows a local user to crash the system or potentially escalate their privileges on the system. (CVE-2022-36123)
An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice. (CVE-2022-36879)
In the Linux kernel, the following vulnerability has been resolved:
mm/mempolicy: fix uninit-value in mpol_rebind_policy() (CVE-2022-49567)
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix a data-race around sysctl_tcp_notsent_lowat. (CVE-2022-49587)
In the Linux kernel, the following vulnerability has been resolved:
igmp: Fix data-races around sysctl_igmp_llm_reports. (CVE-2022-49590)
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix a data-race around sysctl_tcp_probe_interval. (CVE-2022-49593)
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix a data-race around sysctl_tcp_probe_threshold. (CVE-2022-49595)
In the Linux kernel, the following vulnerability has been resolved:
tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept. (CVE-2022-49601)
In the Linux kernel, the following vulnerability has been resolved:
ip: Fix a data-race around sysctl_fwmark_reflect. (CVE-2022-49602)
In the Linux kernel, the following vulnerability has been resolved:
perf/core: Fix data race between perf_event_set_output() and perf_mmap_close() (CVE-2022-49607)
In the Linux kernel, the following vulnerability has been resolved:
net: tipc: fix possible refcount leak in tipc_sk_create() (CVE-2022-49620)
In the Linux kernel, the following vulnerability has been resolved:
icmp: Fix data-races around sysctl. (CVE-2022-49638)
In the Linux kernel, the following vulnerability has been resolved:
cipso: Fix data-races around sysctl. (CVE-2022-49639)
In the Linux kernel, the following vulnerability has been resolved:
cgroup: Use separate src/dst nodes when preloading css_sets for migration (CVE-2022-49647)
In the Linux kernel, the following vulnerability has been resolved:
xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue (CVE-2022-49649)
In the Linux kernel, the following vulnerability has been resolved:
usbnet: fix memory leak in error case (CVE-2022-49657)
In the Linux kernel, the following vulnerability has been resolved:
mm/slub: add missing TID updates on slab deactivation (CVE-2022-49700)
Affected Packages:
kernel
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update kernel to update your system.
aarch64:
kernel-4.14.290-217.505.amzn2.aarch64
kernel-headers-4.14.290-217.505.amzn2.aarch64
kernel-debuginfo-common-aarch64-4.14.290-217.505.amzn2.aarch64
perf-4.14.290-217.505.amzn2.aarch64
perf-debuginfo-4.14.290-217.505.amzn2.aarch64
python-perf-4.14.290-217.505.amzn2.aarch64
python-perf-debuginfo-4.14.290-217.505.amzn2.aarch64
kernel-tools-4.14.290-217.505.amzn2.aarch64
kernel-tools-devel-4.14.290-217.505.amzn2.aarch64
kernel-tools-debuginfo-4.14.290-217.505.amzn2.aarch64
kernel-devel-4.14.290-217.505.amzn2.aarch64
kernel-debuginfo-4.14.290-217.505.amzn2.aarch64
i686:
kernel-headers-4.14.290-217.505.amzn2.i686
src:
kernel-4.14.290-217.505.amzn2.src
x86_64:
kernel-4.14.290-217.505.amzn2.x86_64
kernel-headers-4.14.290-217.505.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.290-217.505.amzn2.x86_64
perf-4.14.290-217.505.amzn2.x86_64
perf-debuginfo-4.14.290-217.505.amzn2.x86_64
python-perf-4.14.290-217.505.amzn2.x86_64
python-perf-debuginfo-4.14.290-217.505.amzn2.x86_64
kernel-tools-4.14.290-217.505.amzn2.x86_64
kernel-tools-devel-4.14.290-217.505.amzn2.x86_64
kernel-tools-debuginfo-4.14.290-217.505.amzn2.x86_64
kernel-devel-4.14.290-217.505.amzn2.x86_64
kernel-debuginfo-4.14.290-217.505.amzn2.x86_64
kernel-livepatch-4.14.290-217.505-1.0-0.amzn2.x86_64
2025-05-19: CVE-2022-49649 was added to this advisory.
2025-05-19: CVE-2022-49593 was added to this advisory.
2025-05-19: CVE-2022-49607 was added to this advisory.
2025-05-19: CVE-2022-49620 was added to this advisory.
2025-05-19: CVE-2022-49601 was added to this advisory.
2025-05-19: CVE-2022-49587 was added to this advisory.
2025-05-19: CVE-2022-49602 was added to this advisory.
2025-05-19: CVE-2022-49639 was added to this advisory.