Vulnerability · Published Jul 29, 2024 · Assigned by Linux
CVE-2024-41086bcachefs: Fix sb_field_downgrade validation
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 12% 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 88.3% 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: bcachefs: Fix sb_field_downgrade validation - bch2_sb_downgrade_validate() wasn't checking for a downgrade entry extending past the end of the superblock section - for_each_downgrade_entry() is used in to_text() and needs to work on malformed input; it also was missing a check for a field extending past the end of the section
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | linux | 6.9.8-1 | DEBIAN-CVE-2024-41086 |
| Debian:14 | linux | 6.9.8-1 | DEBIAN-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux | 6.8.0-48.48 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1018.20 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1018.19~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1017.20 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1017.20~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1017.19 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1017.19~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1013.17 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1002.4 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-48.48~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1015.15 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-48.48.3 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-48.48.3~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1017.19 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1017.19~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1017.19.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1016.16 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1015.16 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1015.15~22.04.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1014.16 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-48.48.1 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-48.48.1~22.04.2 | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-41086 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-41086 |