CVE-2025-71184None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: btrfs: fix NULL dereference on root when tracing inode eviction When evicting an inode the first thing we do is to setup tracing for it, which implies fetching the roo…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix NULL dereference on root when tracing inode eviction
When evicting an inode the first thing we do is to setup tracing for it, which implies fetching the root's id. But in btrfs_evict_inode() the root might be NULL, as implied in the next check that we do in btrfs_evict_inode().
Hence, we either should set the ->root_objectid to 0 in case the root is NULL, or we move tracing setup after checking that the root is not NULL. Setting the rootid to 0 at least gives us the possibility to trace this call even in the case when the root is NULL, so that's the solution taken here.
Linux >= 1abe9b8a138c9988ba8f7bfded6453649a31541f < 99181ddb124cfe2b09f5e924c308222d2339e82aLinux >= 1abe9b8a138c9988ba8f7bfded6453649a31541f < 64d8abd8c5305795a2b35fc96039d99d34f5e762Linux >= 1abe9b8a138c9988ba8f7bfded6453649a31541f < 582ba48e4a4c06fef6bdcf4e57b7b9af660bbd0cLinux >= 1abe9b8a138c9988ba8f7bfded6453649a31541f < 99e057f3d3ef24b99a7b1d84e01dd1bd890098daLinux >= 1abe9b8a138c9988ba8f7bfded6453649a31541f < f157dd661339fc6f5f2b574fe2429c43bd309534Linux 2.6.39Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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