{"id":"CVE-2025-39783","state":"PUBLISHED","title":"PCI: endpoint: Fix configfs group list head handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs().","publishedAt":"2025-09-11T16:56:33.376Z","updatedAt":"2026-10-15T01:08:19.552Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"80ea6e6904fb2ba4ccb5d909579988466ec65358","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"d5aecddc3452371d9da82cdbb0c715812524b54b","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"dc4ffbd571716ff3b171418fb03abe80e720a7b1","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"0758862386f114d9ab1e23181461bd1e2e9ec4c6","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"6cf65505523224cab1449d726d2ce8180c2941ee","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"a302bd89db35d8b7e279de4d2b41c16c7f191069","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"d79123d79a8154b4318529b7b2ff7e15806f480b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/pci-epf-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/pci-epf-core.c"]}],"references":["https://git.kernel.org/stable/c/80ea6e6904fb2ba4ccb5d909579988466ec65358","https://git.kernel.org/stable/c/d5aecddc3452371d9da82cdbb0c715812524b54b","https://git.kernel.org/stable/c/dc4ffbd571716ff3b171418fb03abe80e720a7b1","https://git.kernel.org/stable/c/409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2","https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6","https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee","https://git.kernel.org/stable/c/a302bd89db35d8b7e279de4d2b41c16c7f191069","https://git.kernel.org/stable/c/d79123d79a8154b4318529b7b2ff7e15806f480b","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","https://cert-portal.siemens.com/productcert/html/ssa-082556.html","https://cert-portal.siemens.com/productcert/html/ssa-032379.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39783.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39783","state":"PUBLISHED","datePublished":"2025-09-11T16:56:33.376Z","dateUpdated":"2026-10-15T01:08:19.552Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.130Z"},"containers":{"cna":{"title":"PCI: endpoint: Fix configfs group list head handling","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"80ea6e6904fb2ba4ccb5d909579988466ec65358","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"d5aecddc3452371d9da82cdbb0c715812524b54b","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"dc4ffbd571716ff3b171418fb03abe80e720a7b1","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"0758862386f114d9ab1e23181461bd1e2e9ec4c6","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"6cf65505523224cab1449d726d2ce8180c2941ee","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"a302bd89db35d8b7e279de4d2b41c16c7f191069","versionType":"git"},{"version":"ef1433f717a2c63747a519d86965d73ff9bd08b3","status":"affected","lessThan":"d79123d79a8154b4318529b7b2ff7e15806f480b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/pci-epf-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/pci-epf-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/80ea6e6904fb2ba4ccb5d909579988466ec65358"},{"url":"https://git.kernel.org/stable/c/d5aecddc3452371d9da82cdbb0c715812524b54b"},{"url":"https://git.kernel.org/stable/c/dc4ffbd571716ff3b171418fb03abe80e720a7b1"},{"url":"https://git.kernel.org/stable/c/409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2"},{"url":"https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6"},{"url":"https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee"},{"url":"https://git.kernel.org/stable/c/a302bd89db35d8b7e279de4d2b41c16c7f191069"},{"url":"https://git.kernel.org/stable/c/d79123d79a8154b4318529b7b2ff7e15806f480b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:36:12.147Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.4.297"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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