{"id":"CVE-2022-50873","state":"PUBLISHED","title":"vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove\n\nIn vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses\na reference of pointer as the argument of kfree, which is the wrong pointer\nand then may hit crash like this:\n\nUnable to handle kernel paging request at virtual address 00ffff003363e30c\nInternal error: Oops: 96000004 [#1] SMP\nCall trace:\n rb_next+0x20/0x5c\n ext4_readdir+0x494/0x5c4 [ext4]\n iterate_dir+0x168/0x1b4\n __se_sys_getdents64+0x68/0x170\n __arm64_sys_getdents64+0x24/0x30\n el0_svc_common.constprop.0+0x7c/0x1bc\n do_el0_svc+0x2c/0x94\n el0_svc+0x20/0x30\n el0_sync_handler+0xb0/0xb4\n el0_sync+0x160/0x180\nCode: 54000220 f9400441 b4000161 aa0103e0 (f9400821)\nSMP: stopping secondary CPUs\nStarting crashdump kernel...","publishedAt":"2025-12-30T12:15:42.705Z","updatedAt":"2026-05-11T19:26:46.591Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"8fe12680b2c731201519935013ec9219c93ec540","versionType":"git"},{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"6ccc891f36d0c20ee220551caabdcd3886ec584b","versionType":"git"},{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/virtio_pci/vp_vdpa.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.0.19","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.5","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/virtio_pci/vp_vdpa.c"]}],"references":["https://git.kernel.org/stable/c/8fe12680b2c731201519935013ec9219c93ec540","https://git.kernel.org/stable/c/6ccc891f36d0c20ee220551caabdcd3886ec584b","https://git.kernel.org/stable/c/ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50873.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50873","state":"PUBLISHED","datePublished":"2025-12-30T12:15:42.705Z","dateUpdated":"2026-05-11T19:26:46.591Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.136Z"},"containers":{"cna":{"title":"vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove\n\nIn vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses\na reference of pointer as the argument of kfree, which is the wrong pointer\nand then may hit crash like this:\n\nUnable to handle kernel paging request at virtual address 00ffff003363e30c\nInternal error: Oops: 96000004 [#1] SMP\nCall trace:\n rb_next+0x20/0x5c\n ext4_readdir+0x494/0x5c4 [ext4]\n iterate_dir+0x168/0x1b4\n __se_sys_getdents64+0x68/0x170\n __arm64_sys_getdents64+0x24/0x30\n el0_svc_common.constprop.0+0x7c/0x1bc\n do_el0_svc+0x2c/0x94\n el0_svc+0x20/0x30\n el0_sync_handler+0xb0/0xb4\n el0_sync+0x160/0x180\nCode: 54000220 f9400441 b4000161 aa0103e0 (f9400821)\nSMP: stopping secondary CPUs\nStarting crashdump kernel..."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"8fe12680b2c731201519935013ec9219c93ec540","versionType":"git"},{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"6ccc891f36d0c20ee220551caabdcd3886ec584b","versionType":"git"},{"version":"ffbda8e9df10d1784d5427ec199e7d8308e3763f","status":"affected","lessThan":"ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/virtio_pci/vp_vdpa.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.0.19","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.5","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/virtio_pci/vp_vdpa.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8fe12680b2c731201519935013ec9219c93ec540"},{"url":"https://git.kernel.org/stable/c/6ccc891f36d0c20ee220551caabdcd3886ec584b"},{"url":"https://git.kernel.org/stable/c/ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:26:46.591Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.0.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}