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Vulnerability · Published May 17, 2024 · Assigned by Linux

CVE-2024-35826block: Fix page refcounts for unaligned buffers in __bio_release_pages()

Medium 5.5

In plain English

A medium-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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 88.6% 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: block: Fix page refcounts for unaligned buffers in __bio_release_pages() Fix an incorrect number of pages being released for buffers that do not start at the beginning of a page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.85-1DEBIAN-CVE-2024-35826
Debian:13linux6.7.12-1DEBIAN-CVE-2024-35826
Debian:14linux6.7.12-1DEBIAN-CVE-2024-35826
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux6.8.0-35.35UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-35826
Ubuntu:24.04:LTSlinux-riscv6.8.0-35.35.1UBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-35826
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2024-35826

Affected products (as reported)

VendorProductVersions
Linux Linux 9025ee1079291fac79c7fcc20086e9f0015f86f4 – before 242006996d15f5ca62e22f8c7de077d9c4a8f3678955324cc9f93304efe163120038b38c36c09fba – before 7d3765550374f71248c55e6206ea1d6fd4537e65d198c15d181cc9d580f0f2c25150b077d1d49c1a – before ecbd9ced84dd655a8f4cd49d2aad0e80dbf6bf351b151e2435fc3a9b10c8946c6aebe9f3e1938c55 – before c9d3d2fbde9b8197bce88abcbe8ee8e713ffe7c21b151e2435fc3a9b10c8946c6aebe9f3e1938c55 – before 38b43539d64b2fa020b3b9a752a986769f87f7a6d2d0b95ca1b5fefa3deed444a803c9f809db66cf3f4e660144edb053886fc80f587a71ad7afc2ad6bfc0647791d7a8f3e178a896a26c4ef7794876b7
Linux Linux 6.8

References