CVE-2025-40055
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 28, 2025
First seenOct 28, 2025
How to fix
Update
- Linux Linux283333079d96c84baa91f0c62b5e0cbec246b7a2, f992bc72f681c32a682d474a29c2135a64d4f4e5, 827c8efa0d1afe817b90f3618afff552e88348d2, bfe011297ddd2d0cd64752978baaa0c04cd20573, 7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2, 694d5b401036a614f8080085a9de6f86ff0742dc, 892f41e12c8689130d552a9eb2b77bafd26484ab, 8f45f089337d924db24397f55697cda0e6960516 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 283333079d96c84baa91f0c62b5e0cbec246b7a2, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < f992bc72f681c32a682d474a29c2135a64d4f4e5, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 827c8efa0d1afe817b90f3618afff552e88348d2, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < bfe011297ddd2d0cd64752978baaa0c04cd20573, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 694d5b401036a614f8080085a9de6f86ff0742dc, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 892f41e12c8689130d552a9eb2b77bafd26484ab, c994c2ebdbbc391a42f177c8eb7882ebf3f142d8 ≤ v < 8f45f089337d924db24397f55697cda0e6960516, 3.14 | 283333079d96c84baa91f0c62b5e0cbec246b7a2, f992bc72f681c32a682d474a29c2135a64d4f4e5, 827c8efa0d1afe817b90f3618afff552e88348d2, bfe011297ddd2d0cd64752978baaa0c04cd20573, 7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2, 694d5b401036a614f8080085a9de6f86ff0742dc, 892f41e12c8689130d552a9eb2b77bafd26484ab, 8f45f089337d924db24397f55697cda0e6960516 |
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