ALAS2KERNEL-5.10-2022-023


Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.10-2022-023
Advisory Released Date: 2022-12-08
Advisory Updated Date: 2025-06-27
Severity: Important

Issue Overview:

A memory overflow vulnerability was found in the Linux kernel's ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2021-3759)

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

inet: fully convert sk->sk_rx_dst to RCU rules (CVE-2021-47103)

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function ipv6_renew_options of the component IPv6 Handler. The manipulation leads to memory leak. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211021 was assigned to this vulnerability. (CVE-2022-3524)

A vulnerability classified as problematic was found in Linux Kernel. This vulnerability affects the function bnx2x_tpa_stop of the file drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. VDB-211042 is the identifier assigned to this vulnerability. (CVE-2022-3542)

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087. (CVE-2022-3564)

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function intr_callback of the file drivers/net/usb/r8152.c of the component BPF. The manipulation leads to logging of excessive data. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211363. (CVE-2022-3594)

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

arm64: topology: fix possible overflow in amu_fie_setup() (CVE-2022-48657)

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

nilfs2: fix use-after-free bug of ns_writer on remount (CVE-2022-49834)

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

can: j1939: j1939_send_one(): fix missing CAN header initialization (CVE-2022-49845)

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

udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846)

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

nilfs2: fix deadlock in nilfs_count_free_blocks() (CVE-2022-49850)

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

net: macvlan: fix memory leaks of macvlan_common_newlink (CVE-2022-49853)

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

ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network (CVE-2022-49865)

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

bnxt_en: Fix possible crash in bnxt_hwrm_set_coal() (CVE-2022-49869)

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

capabilities: fix undefined behavior in bit shift for CAP_TO_MASK (CVE-2022-49870)

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

net: tun: Fix memory leaks of napi_get_frags (CVE-2022-49871)

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

bpf: Fix wrong reg type conversion in release_reference() (CVE-2022-49873)

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

HID: hyperv: fix possible memory leak in mousevsc_probe() (CVE-2022-49874)

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

bpftool: Fix NULL pointer dereference when pin {PROG, MAP, LINK} without FILE (CVE-2022-49875)

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

ext4: fix BUG_ON() when directory entry has invalid rec_len (CVE-2022-49879)

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

ext4: fix warning in 'ext4_da_release_space' (CVE-2022-49880)

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

ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init() (CVE-2022-49885)

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

capabilities: fix potential memleak on error path from vfs_getxattr_alloc() (CVE-2022-49890)

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

ftrace: Fix use-after-free for dynamic ftrace_ops (CVE-2022-49892)

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

fscrypt: stop using keyrings subsystem for fscrypt_master_key (CVE-2022-49899)

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

ipv6: fix WARNING in ip6_route_net_exit_late() (CVE-2022-49903)

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

net: mdio: fix undefined behavior in bit shift for __mdiobus_register (CVE-2022-49907)

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

btrfs: fix ulist leaks in error paths of qgroup self tests (CVE-2022-49912)

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

btrfs: fix inode list leak during backref walking at find_parent_nodes() (CVE-2022-49913)

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

btrfs: fix inode list leak during backref walking at resolve_indirect_refs() (CVE-2022-49914)

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

mISDN: fix possible memory leak in mISDN_register_device() (CVE-2022-49915)

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

ipvs: fix WARNING in ip_vs_app_net_cleanup() (CVE-2022-49917)

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

ipvs: fix WARNING in __ip_vs_cleanup_batch() (CVE-2022-49918)

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

netfilter: nf_tables: release flow rule object from commit path (CVE-2022-49919)

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

net: sched: Fix use after free in red_enqueue() (CVE-2022-49921)

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

RDMA/core: Fix null-ptr-deref in ib_core_cleanup() (CVE-2022-49925)

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

nfs4: Fix kmemleak when allocate slot failed (CVE-2022-49927)

A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. (CVE-2023-0590)

An out-of-bounds memory access flaw was found in the Linux kernel's TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2023-3812)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 - Kernel-5.10 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 to update your system.

New Packages:
aarch64:
    kernel-5.10.155-138.670.amzn2.aarch64
    kernel-headers-5.10.155-138.670.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.10.155-138.670.amzn2.aarch64
    perf-5.10.155-138.670.amzn2.aarch64
    perf-debuginfo-5.10.155-138.670.amzn2.aarch64
    python-perf-5.10.155-138.670.amzn2.aarch64
    python-perf-debuginfo-5.10.155-138.670.amzn2.aarch64
    kernel-tools-5.10.155-138.670.amzn2.aarch64
    kernel-tools-devel-5.10.155-138.670.amzn2.aarch64
    kernel-tools-debuginfo-5.10.155-138.670.amzn2.aarch64
    bpftool-5.10.155-138.670.amzn2.aarch64
    bpftool-debuginfo-5.10.155-138.670.amzn2.aarch64
    kernel-devel-5.10.155-138.670.amzn2.aarch64
    kernel-debuginfo-5.10.155-138.670.amzn2.aarch64
    kernel-livepatch-5.10.155-138.670-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.10.155-138.670.amzn2.i686

src:
    kernel-5.10.155-138.670.amzn2.src

x86_64:
    kernel-5.10.155-138.670.amzn2.x86_64
    kernel-headers-5.10.155-138.670.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.10.155-138.670.amzn2.x86_64
    perf-5.10.155-138.670.amzn2.x86_64
    perf-debuginfo-5.10.155-138.670.amzn2.x86_64
    python-perf-5.10.155-138.670.amzn2.x86_64
    python-perf-debuginfo-5.10.155-138.670.amzn2.x86_64
    kernel-tools-5.10.155-138.670.amzn2.x86_64
    kernel-tools-devel-5.10.155-138.670.amzn2.x86_64
    kernel-tools-debuginfo-5.10.155-138.670.amzn2.x86_64
    bpftool-5.10.155-138.670.amzn2.x86_64
    bpftool-debuginfo-5.10.155-138.670.amzn2.x86_64
    kernel-devel-5.10.155-138.670.amzn2.x86_64
    kernel-debuginfo-5.10.155-138.670.amzn2.x86_64
    kernel-livepatch-5.10.155-138.670-1.0-0.amzn2.x86_64

Changelog:

2025-06-27: CVE-2022-49921 was added to this advisory.

2025-06-19: CVE-2022-49915 was added to this advisory.

2025-06-19: CVE-2022-49913 was added to this advisory.

2025-06-19: CVE-2022-49870 was added to this advisory.

2025-06-19: CVE-2022-49879 was added to this advisory.

2025-06-19: CVE-2022-49899 was added to this advisory.

2025-06-19: CVE-2022-49865 was added to this advisory.

2025-06-19: CVE-2022-49918 was added to this advisory.

2025-06-19: CVE-2022-49880 was added to this advisory.

2025-06-19: CVE-2022-49845 was added to this advisory.

2025-06-19: CVE-2022-49853 was added to this advisory.

2025-06-19: CVE-2022-49875 was added to this advisory.

2025-06-19: CVE-2022-49912 was added to this advisory.

2025-06-19: CVE-2022-49885 was added to this advisory.

2025-06-19: CVE-2022-49917 was added to this advisory.

2025-06-19: CVE-2022-49871 was added to this advisory.

2025-06-19: CVE-2022-49927 was added to this advisory.

2025-06-19: CVE-2022-49850 was added to this advisory.

2025-06-19: CVE-2022-49834 was added to this advisory.

2025-06-19: CVE-2022-49925 was added to this advisory.

2025-06-19: CVE-2022-49869 was added to this advisory.

2025-06-19: CVE-2022-49903 was added to this advisory.

2025-06-19: CVE-2022-49846 was added to this advisory.

2025-06-19: CVE-2022-49914 was added to this advisory.

2025-06-19: CVE-2022-49919 was added to this advisory.

2025-06-19: CVE-2022-49874 was added to this advisory.

2025-06-19: CVE-2022-49892 was added to this advisory.

2025-06-19: CVE-2022-49890 was added to this advisory.

2025-06-19: CVE-2022-49873 was added to this advisory.

2025-06-19: CVE-2022-49907 was added to this advisory.

2024-08-01: CVE-2022-48657 was added to this advisory.

2024-05-23: CVE-2021-47103 was added to this advisory.