cbcvebase.
CVE-2025-22045
published 2025-04-16

CVE-2025-22045: In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs On the following path…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.21%
10.9th percentile
In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs On the following path, flush_tlb_range() can be used for zapping normal PMD entries (PMD entries that point to page tables) together with the PTE entries in the pointed-to page table: collapse_pte_mapped_thp pmdp_collapse_flush flush_tlb_range The arm64 version of flush_tlb_range() has a comment describing that it can be used for page table removal, and does not use any last-level invalidation optimizations. Fix the X86 version by making it behave the same way. Currently, X86 only uses this information for the following two purposes, which I think means the issue doesn't have much impact: - In native_flush_tlb_multi() for checking if lazy TLB CPUs need to be IPI'd to avoid issues with speculative page table walks. - In Hyper-V TLB paravirtualization, again for lazy TLB stuff. The patch "x86/mm: only invalidate final translations with INVLPGB" which is currently under review (see ) would probably be making the impact of this a lot worse.

Affected

32 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.135-1 (bookworm)linux 6.1.135-1 (bookworm)
debianlinux-6.1< linux 6.1.135-1 (bookworm)linux 6.1.135-1 (bookworm)
linuxlinux
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 618d5612ecb7bfc1c85342daafeb2b47e29e77a3618d5612ecb7bfc1c85342daafeb2b47e29e77a3
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 556d446068f90981e5d71ca686bdaccdd545d491556d446068f90981e5d71ca686bdaccdd545d491
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 0a8f806ea6b5dd64b3d1f05ff774817d5f7ddbd10a8f806ea6b5dd64b3d1f05ff774817d5f7ddbd1
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 0708fd6bd8161871bfbadced2ca4319b84ab44fe0708fd6bd8161871bfbadced2ca4319b84ab44fe
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 7085895c59e4057ffae17f58990ccb630087d0d27085895c59e4057ffae17f58990ccb630087d0d2
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 93224deb50a8d20df3884f3672ce9f982129aa5093224deb50a8d20df3884f3672ce9f982129aa50
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 320ac1af4c0bdb92c864dc9250d1329234820edf320ac1af4c0bdb92c864dc9250d1329234820edf
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 78d6f9a9eb2a5da6fcbd76d6191d24b0dcc321be78d6f9a9eb2a5da6fcbd76d6191d24b0dcc321be
linuxlinux>= 016c4d92cd16f569c6485ae62b076c1a4b779536 < 3ef938c3503563bfc2ac15083557f880d29c2e643ef938c3503563bfc2ac15083557f880d29c2e64
linuxlinux_kernel>= 0 < 5.10.237-15.10.237-1
linuxlinux_kernel>= 0 < 6.1.135-16.1.135-1
linuxlinux_kernel>= 0 < 6.12.25-16.12.25-1
linuxlinux_kernel>= 0 < 6.12.25-16.12.25-1
linuxlinux_kernel>= 0 < 5.15.0-142.1525.15.0-142.152
linuxlinux_kernel>= 0 < 6.8.0-86.876.8.0-86.87
linuxlinux_kernel>= 0 < 6.14.0-22.226.14.0-22.22
linuxlinux_kernel>= 0 < 5.4.0-218.2385.4.0-218.238
linuxlinux_kernel>= 4.20 < 5.4.2925.4.292
linuxlinux_kernel>= 5.11 < 5.15.1805.15.180
linuxlinux_kernel>= 5.16 < 6.1.1346.1.134
linuxlinux_kernel>= 5.5 < 5.10.2365.10.236
linuxlinux_kernel>= 6.13 < 6.13.116.13.11

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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