CVE-2025-38382
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix iteration of extrefs during log replay
At __inode_add_ref() when processing extrefs, if we jump into the next label we have an undefined value of victim_name.len, since we haven't initialized it before we did the goto. This results in an invalid memory access in the next iteration of the loop since victim_name.len was not initialized to the length of the name of the current extref.
Fix this by initializing victim_name.len with the current extref's name length.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 6.1.57 | 6.1.144 |
| linux / linux_kernel | 6.2 | 6.6.97 |
| linux / linux_kernel | 6.7 | 6.12.37 |
| linux / linux_kernel | 6.13 | 6.15.6 |
| linux / linux_kernel | 6.16-rc1 | 6.16-rc1.x |
| linux / linux_kernel | 6.16-rc2 | 6.16-rc2.x |
| linux / linux_kernel | 6.16-rc3 | 6.16-rc3.x |
| linux / linux_kernel | 6.16-rc4 | 6.16-rc4.x |
| debian / debian_linux | 11.0 | 11.0.x |
- https://git.kernel.org/stable/c/2d11d274e2e1d7c79e2ca8461ce3ff3a95c11171
- https://git.kernel.org/stable/c/539969fc472886a1d63565459514d47e27fef461
- https://git.kernel.org/stable/c/54a7081ed168b72a8a2d6ef4ba3a1259705a2926
- https://git.kernel.org/stable/c/7ac790dc2ba00499a8d671d4a24de4d4ad27e234
- https://git.kernel.org/stable/c/aee57a0293dca675637e5504709f9f8fd8e871be
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
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