PT-2024-6833 · Linux+1 · Linux Kernel+1

David Gstir · Published 2024-08-15 · Updated 2024-10-09 · CVE-2024-45004

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue is related to the handling of trusted keys in the Linux kernel. Specifically, when importing a trusted DCP-based key and then exporting it again, the blob encryption key (BEK) is decrypted in-place, causing the trusted key blob field to hold the BEK in plain text. As a result, every subsequent read of that key sends the plain text BEK instead of the encrypted BEK to userspace. This issue is rare and typically occurs when importing a trusted DCP-based key and then exporting it again, which is not a common use case.

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

Exploit

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

Related Identifiers

BDU:2024-08053

CVE-2024-45004

Affected Products

Astra Linux

Linux Kernel

References · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45004.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2024-45004 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-45004 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-45004 · Vendor Advisory
• https://git.kernel.org/stable/c/9e3b266afcfe4294e84496f50f006f029d3100db · Patch
• https://git.kernel.org/stable/c/0e28bf61a5f9ab30be3f3b4eafb8d097e39446bb · Patch
• https://bdu.fstec.ru/vul/2024-08053 · Security Note
• https://osv.dev/vulnerability/CVE-2024-45004 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-45004 · Security Note
• https://cve.org/CVERecord?id=CVE-2024-45004 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-45004 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-45004 · Vendor Advisory
• https://t.me/cvedetector/4863 · Telegram Post
• https://t.me/cvenotify/97633 · Telegram Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0e28bf61a5f9ab30be3f3b4eafb8d097e39446bb · Note