QID 355532

Date Published: 2023-07-03

QID 355532: Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-021

In the linux kernel through 6.2.7, fs/ntfs3/inode.c has an invalid kfree because it does not validate mft flags before replaying logs. (
( CVE-2022-48425) a flaw was found in the linux kernel's networking subsystem within the rpl protocol's handling.
This issue results from the improper handling of user-supplied data, which can lead to an assertion failure.
This flaw allows an unauthenticated, remote attacker to create a denial of service condition on the system. (
( CVE-2023-2156) an out of bounds (oob) memory access flaw was found in the linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs.
This flaw could allow a local attacker to crash the system or leak kernel internal information. (
( CVE-2023-3268) an issue was discovered in the linux kernel before 6.3.3.
There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4_group_desc_csum does not properly check an offset. (
( CVE-2023-34256) an issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the linux kernel before 6.3.7.
It allows an out-of-bounds write in the flower classifier code via tca_flower_key_enc_opts_geneve packets.
This may result in denial of service or privilege escalation. (
( CVE-2023-35788)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2KERNEL-5.15-2023-021 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355532

    CVE-2023-34256 | CVE-2023-35788 | CVE-2022-48425 | CVE-2023-3268 | CVE-2023-2156 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2KERNEL-5.15-2023-021 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-021.html
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