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Vulnerability · Published Oct 16, 2023 · Assigned by mitre

CVE-2023-40791

Medium 6.3

In plain English

A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.3Medium
Exploit odds (30 days)0.5%top 58.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.4.13-1DEBIAN-CVE-2023-40791
Debian:14linux6.4.13-1DEBIAN-CVE-2023-40791
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-40791
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-40791

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References