Bug 2275752 (CVE-2024-26850) - CVE-2024-26850 kernel: mm/debug_vm_pgtable: fix BUG_ON with pud advanced test
Summary: CVE-2024-26850 kernel: mm/debug_vm_pgtable: fix BUG_ON with pud advanced test
Keywords:
Status: NEW
Alias: CVE-2024-26850
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2275753
Blocks: 2275739
TreeView+ depends on / blocked
 
Reported: 2024-04-17 19:35 UTC by Robb Gatica
Modified: 2024-09-27 23:42 UTC (History)
49 users (show)

Fixed In Version: kernel 6.6.21, kernel 6.7.9, kernel 6.8
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in the pud_advanced_tests() function in the Linux kernel, caused by inadequate handling of PUD entries in the presence of debugging checks, which could lead to a kernel panic.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Robb Gatica 2024-04-17 19:35:18 UTC 
In the Linux kernel, the following vulnerability has been resolved:

mm/debug_vm_pgtable: fix BUG_ON with pud advanced test

The Linux kernel CVE team has assigned CVE-2024-26850 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024041754-CVE-2024-26850-f608@gregkh/T
Comment 1 Robb Gatica 2024-04-17 19:35:53 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2275753]
Comment 2 Rohit Keshri 2024-04-29 12:15:35 UTC 
This flaw does not seems to have a security threat.
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