ALAS2-2026-3150

References: CVE-2025-68160  CVE-2025-69418  CVE-2025-69419  CVE-2025-69420  CVE-2025-69421  CVE-2026-22795  CVE-2026-22796 
FAQs regarding Amazon Linux ALAS/CVE Severity

Issue Overview:

Writing large, newline-free data into a BIO chain using the line-buffering filter where the next BIO performs short writes can trigger a heap-based out-of-bounds write. (CVE-2025-68160)

When using the low-level OCB API directly with AES-NI or other hardware-accelerated code paths, inputs whose length is not a multiple of 16 bytes can leave the final partial block unencrypted and unauthenticated. (CVE-2025-69418)

Calling PKCS12_get_friendlyname() function on a maliciously crafted PKCS#12 file with a BMPString (UTF-16BE) friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. (CVE-2025-69419)

A type confusion vulnerability exists in the TimeStamp Response verification code where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing a malformed TimeStamp Response file. (CVE-2025-69420)

Processing a malformed PKCS#12 file can trigger a NULL pointer dereference in the PKCS12_item_decrypt_d2i_ex() function. (CVE-2025-69421)

An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS#12 file. (CVE-2026-22795)

ASN1_TYPE Type Confusion in the PKCS7_digest_from_attributes() function

NOTE: https://openssl-library.org/news/secadv/20260127.txt (CVE-2026-22796)

Issue Correction:
Run yum update edk2 or yum update --advisory ALAS2-2026-3150 to update your system.

New Packages:

aarch64:
    edk2-tools-20240813-306.amzn2.aarch64
    edk2-debuginfo-20240813-306.amzn2.aarch64

noarch:
    edk2-ovmf-20240813-306.amzn2.noarch
    edk2-tools-doc-20240813-306.amzn2.noarch
    edk2-aarch64-20240813-306.amzn2.noarch

src:
    edk2-20240813-306.amzn2.src

x86_64:
    edk2-tools-20240813-306.amzn2.x86_64
    edk2-debuginfo-20240813-306.amzn2.x86_64