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Vulnerability · Published Jul 29, 2024 · Assigned by Linux

CVE-2024-42075bpf: Fix remap of arena.

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. 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)7.8High
Exploit odds (30 days)0.2%top 85.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arena_vm_close.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.9.8-1DEBIAN-CVE-2024-42075
Debian:14linux6.9.8-1DEBIAN-CVE-2024-42075
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-42075
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-42075

Affected products (as reported)

VendorProductVersions
Linux Linux 317460317a02a1af512697e6e964298dedd8a163 – before 87496a1b01e8e2e399428c0db25e106f7961d01e317460317a02a1af512697e6e964298dedd8a163 – before b90d77e5fd784ada62ddd714d15ee2400c28e1cf
Linux Linux 6.9

References