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Vulnerability · Published Feb 8, 2024 · Assigned by redhat

CVE-2024-1312Kernel: race condition leads to use after free during vma lock in lock_vma_under_rcu

Medium 5.1

In plain English

A medium-severity use-after-free in Fedora from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.1Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A use-after-free flaw was found in the Linux kernel's Memory Management subsystem when a user wins two races at the same time with a fail in the mas_prev_slot function. This issue could allow a local user to crash the system.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.4.11-1DEBIAN-CVE-2024-1312
Debian:14linux6.4.11-1DEBIAN-CVE-2024-1312
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-1312
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-1312

Affected products (as reported)

VendorProductVersions
n/a kernel see references
n/a kernel see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Fedora Fedora see references

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References