CVE-2024-56774: btrfs: add a sanity check for btrfs root in btrfs_search_slot()
btrfs: add a sanity check for btrfs root in btrfssearchslot()
Other sources
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— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.27-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.64.2-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 5.15.176.3-1 - Upgrade
Upgrade
Linux kernel btrfsto a version that resolves this vulnerability.Patch btrfs: add a sanity check for btrfs root in btrfs_search_slot() - Configuration
Do not use 'rescue=ibadroots' as it can lead to a corrupted extent tree root where the extent tree is NULL, triggering the null-ptr-deref in btrfs_search_slot() during scrub.
Linux kernel btrfs (btrfs_search_slot()) rescue=ibadroots = avoid/stop using
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56774?
CVE-2024-56774 is classified as a critical vulnerability in the Linux Kernel.
How do I fix CVE-2024-56774?
To fix CVE-2024-56774, update the Linux Kernel to version 5.15.175 or higher, 6.1.121 or higher, or the applicable patched version.
Which versions of the Linux Kernel are affected by CVE-2024-56774?
CVE-2024-56774 affects multiple versions of the Linux Kernel, including versions from 5.11 to 5.15.174, 5.16 to 6.1.120, 6.2 to 6.6.64, and 6.7 to 6.12.4.
What components are involved in CVE-2024-56774?
CVE-2024-56774 involves a vulnerability in the btrfs file system, specifically in the btrfs_search_slot() function.
What type of vulnerability is CVE-2024-56774?
CVE-2024-56774 is a null pointer dereference vulnerability that can lead to system instability or crashes.