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Vulnerability · Published Feb 29, 2024 · Assigned by Linux

CVE-2024-26612netfs, fscache: Prevent Oops in fscache_put_cache()

Medium 5.5

In plain English

A medium-severity null pointer dereference 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 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 85.0% 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: netfs, fscache: Prevent Oops in fscache_put_cache() This function dereferences "cache" and then checks if it's IS_ERR_OR_NULL(). Check first, then dereference.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.76-1DEBIAN-CVE-2024-26612
Debian:13linux6.6.15-1DEBIAN-CVE-2024-26612
Debian:14linux6.6.15-1DEBIAN-CVE-2024-26612
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1022.23~22.04.1UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1022.24~22.04.1UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-41.41~22.04.2UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-41.41.1~22.04.1UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1021.22UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1024.25UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1024.24~22.04.1UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-40.40.1~22.04.1UBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26612
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1015.16~22.04.1UBUNTU-CVE-2024-26612

Affected products (as reported)

VendorProductVersions
Linux Linux 9549332df4ed4e761a1d41c83f2c25d28bb22431 – before 82a9bc343ba019665d3ddc1d9a180bf0e0390cf39549332df4ed4e761a1d41c83f2c25d28bb22431 – before 1c45256e599061021e2c848952e50f406457e4489549332df4ed4e761a1d41c83f2c25d28bb22431 – before 4200ad3e46ce50f410fdda302745489441bc70f09549332df4ed4e761a1d41c83f2c25d28bb22431 – before 3be0b3ed1d76c6703b9ee482b55f7e01c369cc68
Linux Linux 5.17

Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References