Bug 2492389 (CVE-2026-52967) - CVE-2026-52967 kernel: smb/client: fix possible infinite loop and oob read in symlink_data()
Summary: CVE-2026-52967 kernel: smb/client: fix possible infinite loop and oob read in...
Keywords:
Status: NEW
Alias: CVE-2026-52967
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-24 18:09 UTC by OSIDB Bzimport
Modified: 2026-06-25 20:01 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-06-24 18:09:25 UTC
In the Linux kernel, the following vulnerability has been resolved:

smb/client: fix possible infinite loop and oob read in symlink_data()

On 32-bit architectures, the infinite loop is as follows:

  len = p->ErrorDataLength == 0xfffffff8
  u8 *next = p->ErrorContextData + len
  next == p

On 32-bit architectures, the out-of-bounds read is as follows:

  len = p->ErrorDataLength == 0xfffffff0
  u8 *next = p->ErrorContextData + len
  next == (u8 *)p - 8


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