{"id":"CVE-2023-52453","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nhisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume\n\nWhen the optional PRE_COPY support was added to speed up the device\ncompatibility check, it…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nhisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume\n\nWhen the optional PRE_COPY support was added to speed up the device\ncompatibility check, it…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.2, < 6.6.14","linux_kernel >= 6.7, < 6.7.2"],"patched":["linux_kernel 6.7.2"],"published":"2024-02-23","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-52453","references":[{"url":"https://git.kernel.org/stable/c/45f80b2f230df10600e6fa1b83b28bf1c334185e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6bda81e24a35a856f58e6a5786de579b07371603","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/be12ad45e15b5ee0e2526a50266ba1d295d26a88","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/45f80b2f230df10600e6fa1b83b28bf1c334185e","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/6bda81e24a35a856f58e6a5786de579b07371603","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/be12ad45e15b5ee0e2526a50266ba1d295d26a88","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00223,"epssPercentile":0.13117,"ingestedAt":"2026-08-04T10:39:37.765Z","slug":"CVE-2023-52453","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nhisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume\n\nWhen the optional PRE_COPY support was added to speed up the device\ncompatibility check, it failed to update the saving/resuming data\npointers based on the fd offset. This results in migration data\ncorruption and when the device gets started on the destination the\nfollowing error is reported in some cases,\n\n[  478.907684] arm-smmu-v3 arm-smmu-v3.2.auto: event 0x10 received:\n[  478.913691] arm-smmu-v3 arm-smmu-v3.2.auto:  0x0000310200000010\n[  478.919603] arm-smmu-v3 arm-smmu-v3.2.auto:  0x000002088000007f\n[  478.925515] arm-smmu-v3 arm-smmu-v3.2.auto:  0x0000000000000000\n[  478.931425] arm-smmu-v3 arm-smmu-v3.2.auto:  0x0000000000000000\n[  478.947552] hisi_zip 0000:31:00.0: qm_axi_rresp [error status=0x1] found\n[  478.955930] hisi_zip 0000:31:00.0: qm_db_timeout [error status=0x400] found\n[  478.955944] hisi_zip 0000:31:00.0: qm sq doorbell timeout in function 2\n\n## Affected\n\n- `linux_kernel >= 6.2, < 6.6.14`\n- `linux_kernel >= 6.7, < 6.7.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.7.2`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}