PT-2026-37388 · Linux+2 · Linux Kernel+2

Published 2026-05-06 · Updated 2026-07-10 · CVE-2026-43078

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An overflow occurs in the af alg pull tsgl() function within the crypto: af alg component. This issue arises because the original loop was not updated when page reassignment was added, potentially causing the system to attempt to reassign more pages than necessary.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-43078

OESA-2026-2673

OESA-2026-2674

USN-8277-1

USN-8277-2

USN-8278-1

USN-8278-2

USN-8279-1

USN-8279-2

USN-8279-3

USN-8280-1

USN-8280-2

USN-8280-3

USN-8281-1

USN-8281-2

USN-8289-1

USN-8289-2

USN-8305-1

USN-8305-2

USN-8310-1

USN-8350-1

USN-8351-1

USN-8374-1

USN-8391-1

USN-8392-1

USN-8393-1

USN-8426-1

USN-8426-2

USN-8440-1

USN-8441-1

USN-8462-1

USN-8499-1

USN-8508-1

USN-8528-1

Affected Products

Linuxmint

Linux Kernel

Ubuntu

References · 894

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43078.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-45905 · Security Note
• https://ubuntu.com/security/CVE-2026-23215 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23131 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-22990 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68344 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8305-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50304 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43278 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68362 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-22022 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71105 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31478 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43452 · Security Note
• https://ubuntu.com/security/CVE-2026-23124 · Vendor Advisory