CVE-2026-99177

High

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Fix page dirtying in sev_gmem_post_populate() set_page_dirty() requires that the caller holds some kind of lock to ensure that the page's mapping does not concurrently go away. That is not the case for a random page we got from get_user_pages_fast(), so use set_page_dirty_lock(). [sean: tag for stable]

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux
PublishedOct 28, 2026
First seenNov 4, 2026

How to fix

Update
  • Linux Linux184382f9852d433af21de96c334ecf43b8414ed8, 97818b2fa7082e940ddd36dab12a68615300e798 or later

Affected products

ProductAffected versionsFixed in
Linux Linux97cd21d57e9bd2da79845178d9250cfd19289cd4 ≤ v < 184382f9852d433af21de96c334ecf43b8414ed8, 97cd21d57e9bd2da79845178d9250cfd19289cd4 ≤ v < 97818b2fa7082e940ddd36dab12a68615300e798, 7.2184382f9852d433af21de96c334ecf43b8414ed8, 97818b2fa7082e940ddd36dab12a68615300e798

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