CVE-2025-68253
In the Linux kernel, the following vulnerability has been resolved: mm: don't spin in add_stack_record when gfp flags don't allow syzbot was able to find the following path: add_stack_record_to_list mm/page_owner.c:182 [inline] inc_stack_record_count mm/page_owner.c:214 [inline] __set_page_owner+0x2c3/0x4a0 mm/page_owner.c:333 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851 prep_new_page mm/page_alloc.c:1859 [inline] get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858 alloc_pages_nolock_noprof+0x94/0x120 mm/page_alloc.c:7554 Don't spin in add_stack_record_to_list() when it is called from *_nolock() context.
Affected versions
Linux kernel versions
6.15
and later are affected. Fixed in
6.17.6,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68253 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/504174133453e3af73e626e328603d7eb5986f34
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PatchKernel patch commithttps://git.kernel.org/stable/c/c83aab85e18103a6dc066b4939e2c92a02bb1b05
Frequently asked questions
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What is CVE-2025-68253?
CVE-2025-68253 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.15 onward and has been patched in 6.17.6 and 6.18. CVE-2025-68253 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68253?
Yes — CVE-2025-68253 has been patched. Fixed versions include 6.17.6 and 6.18. If you are running Linux kernel 6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68253 actively exploited?
No — CVE-2025-68253 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.