What’s Vulnerable › Vulnerabilities

CVE-2024-46841: btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-27 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc() We handle errors here properly, ENOMEM isn't fatal, return the error.

Affected products

• Linux kernel: before 6.10.10 — fixed in 6.10.10

How to fix

Upgrade to a fixed version: Linux kernel 6.10.10. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/135b4819f6fba87fd5a2693023133e78ac73f1d3
• https://git.kernel.org/stable/c/44a2c518ab221c0cadcb8c45ca86f83a52dd4da6
• https://git.kernel.org/stable/c/6a0648f96c3ca647c71c6c1ddbc7c353bab79f64
• https://git.kernel.org/stable/c/704c359b4093a2af650a20eaa030c435d7c30f91
• https://git.kernel.org/stable/c/a580fb2c3479d993556e1c31b237c9e5be4944a3
• https://git.kernel.org/stable/c/c1406d8329f500e4594cd9730cd313aebc3a4333
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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