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CVE PROGRAM SOURCE RECORDUnscored

CVE-2023-53681

bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < 587b4e8bb5dac682f09280ab35db4632b29d5ac4affected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < b070f29a61436f6f8a2e3abc7ea4f4be81695198affected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < a4405f6ee03323410d7b10966fd67b35f71b1944affected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < f67b0e3081f2a24170280a33ac66f6b112083c03affected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < 7ecea5ce3dc17339c280c75b58ac93d8c8620d9faffected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < 4514847aee18d9391a0cf3aad75d3567c72795a4affected
  • cafe563591446cf80bfbc2fe3bc72a2e36cf1060 to < 80fca8a10b604afad6c14213fdfd816c4eda3ee4affected

Linux Linux

Default version status: affected

  • 3.10affected
  • 0 to < 3.10unaffected
  • 4.19.291 to ≤ 4.19.*unaffected
  • 5.4.253 to ≤ 5.4.*unaffected
  • 5.10.188 to ≤ 5.10.*unaffected
  • 5.15.121 to ≤ 5.15.*unaffected
  • 6.1.39 to ≤ 6.1.*unaffected
  • 6.4.4 to ≤ 6.4.*unaffected
  • 6.5 to ≤ *unaffected

References