CVE-2023-53681
bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent In some specific situations, the return value of __bch_btree_node_alloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a calling chain : btree_split->bch_btree_node_alloc->__bch_btree_node_alloc. Fix it by initializing the return value in __bch_btree_node_alloc.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 7, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < 587b4e8bb5dac682f09280ab35db4632b29d5ac4 cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < b070f29a61436f6f8a2e3abc7ea4f4be81695198 cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < a4405f6ee03323410d7b10966fd67b35f71b1944 cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < f67b0e3081f2a24170280a33ac66f6b112083c03 cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < 7ecea5ce3dc17339c280c75b58ac93d8c8620d9f cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < 4514847aee18d9391a0cf3aad75d3567c72795a4 cafe563591446cf80bfbc2fe3bc72a2e36cf1060 < 80fca8a10b604afad6c14213fdfd816c4eda3ee4
Linux / Linux
3.10
References
git.kernel.org: https://git.kernel.org/stable/c/587b4e8bb5dac682f09280ab35db4632b29d5ac4 git.kernel.org: https://git.kernel.org/stable/c/b070f29a61436f6f8a2e3abc7ea4f4be81695198 git.kernel.org: https://git.kernel.org/stable/c/a4405f6ee03323410d7b10966fd67b35f71b1944 git.kernel.org: https://git.kernel.org/stable/c/f67b0e3081f2a24170280a33ac66f6b112083c03 git.kernel.org: https://git.kernel.org/stable/c/7ecea5ce3dc17339c280c75b58ac93d8c8620d9f git.kernel.org: https://git.kernel.org/stable/c/4514847aee18d9391a0cf3aad75d3567c72795a4 git.kernel.org: https://git.kernel.org/stable/c/80fca8a10b604afad6c14213fdfd816c4eda3ee4