{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21883","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.782Z","datePublished":"2025-03-27T14:57:11.766Z","dateUpdated":"2026-05-11T21:08:22.109Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:08:22.109Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix deinitializing VF in error path\n\nIf ice_ena_vfs() fails after calling ice_create_vf_entries(), it frees\nall VFs without removing them from snapshot PF-VF mailbox list, leading\nto list corruption.\n\nReproducer:\n  devlink dev eswitch set $PF1_PCI mode switchdev\n  ip l s $PF1 up\n  ip l s $PF1 promisc on\n  sleep 1\n  echo 1 > /sys/class/net/$PF1/device/sriov_numvfs\n  sleep 1\n  echo 1 > /sys/class/net/$PF1/device/sriov_numvfs\n\nTrace (minimized):\n  list_add corruption. next->prev should be prev (ffff8882e241c6f0), but was 0000000000000000. (next=ffff888455da1330).\n  kernel BUG at lib/list_debug.c:29!\n  RIP: 0010:__list_add_valid_or_report+0xa6/0x100\n   ice_mbx_init_vf_info+0xa7/0x180 [ice]\n   ice_initialize_vf_entry+0x1fa/0x250 [ice]\n   ice_sriov_configure+0x8d7/0x1520 [ice]\n   ? __percpu_ref_switch_mode+0x1b1/0x5d0\n   ? __pfx_ice_sriov_configure+0x10/0x10 [ice]\n\nSometimes a KASAN report can be seen instead with a similar stack trace:\n  BUG: KASAN: use-after-free in __list_add_valid_or_report+0xf1/0x100\n\nVFs are added to this list in ice_mbx_init_vf_info(), but only removed\nin ice_free_vfs(). Move the removing to ice_free_vf_entries(), which is\nalso being called in other places where VFs are being removed (including\nice_free_vfs() itself)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_sriov.c","drivers/net/ethernet/intel/ice/ice_vf_lib.c","drivers/net/ethernet/intel/ice/ice_vf_lib_private.h"],"versions":[{"version":"8cd8a6b17d275a45e3722d0215f6115b687c8c3e","lessThan":"3c01102bec9592928e6b155da41cfcd5d25a2066","status":"affected","versionType":"git"},{"version":"8cd8a6b17d275a45e3722d0215f6115b687c8c3e","lessThan":"a4880583f88deba63504ce1c8287a70d39c01378","status":"affected","versionType":"git"},{"version":"8cd8a6b17d275a45e3722d0215f6115b687c8c3e","lessThan":"34393fd78d7183a007eaf0090966ebedcc29bd57","status":"affected","versionType":"git"},{"version":"8cd8a6b17d275a45e3722d0215f6115b687c8c3e","lessThan":"79990cf5e7aded76d0c092c9f5ed31eb1c75e02c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_sriov.c","drivers/net/ethernet/intel/ice/ice_vf_lib.c","drivers/net/ethernet/intel/ice/ice_vf_lib_private.h"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.6.81","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.18","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.6","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.13.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3c01102bec9592928e6b155da41cfcd5d25a2066"},{"url":"https://git.kernel.org/stable/c/a4880583f88deba63504ce1c8287a70d39c01378"},{"url":"https://git.kernel.org/stable/c/34393fd78d7183a007eaf0090966ebedcc29bd57"},{"url":"https://git.kernel.org/stable/c/79990cf5e7aded76d0c092c9f5ed31eb1c75e02c"}],"title":"ice: Fix deinitializing VF in error path","x_generator":{"engine":"bippy-1.2.0"}}}}