Description
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix configfs group list head handling Doing a list_del() on the epf_group field of struct pci_epf_driver in pci_epf_remove_cfs() is not correct as this field is a list head, not a list entry. This list_del() call triggers a KASAN warning when an endpoint function driver which has a configfs attribute group is torn down: ================================================================== BUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198 Write of size 8 at addr ffff00010f4a0d80 by task rmmod/319 CPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE Hardware name: Radxa ROCK 5B (DT) Call trace: show_stack+0x2c/0x84 (C) dump_stack_lvl+0x70/0x98 print_report+0x17c/0x538 kasan_report+0xb8/0x190 __asan_report_store8_noabort+0x20/0x2c pci_epf_remove_cfs+0x17c/0x198 pci_epf_unregister_driver+0x18/0x30 nvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf] __arm64_sys_delete_module+0x264/0x424 invoke_syscall+0x70/0x260 el0_svc_common.constprop.0+0xac/0x230 do_el0_svc+0x40/0x58 el0_svc+0x48/0xdc el0t_64_sync_handler+0x10c/0x138 el0t_64_sync+0x198/0x19c ... Remove this incorrect list_del() call from pci_epf_remove_cfs().
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
ef1433f717a2c63747a519d86965d73ff9bd08b3 to < 80ea6e6904fb2ba4ccb5d909579988466ec65358affectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < d5aecddc3452371d9da82cdbb0c715812524b54baffectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < dc4ffbd571716ff3b171418fb03abe80e720a7b1affectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < 409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2affectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < 0758862386f114d9ab1e23181461bd1e2e9ec4c6affectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < 6cf65505523224cab1449d726d2ce8180c2941eeaffectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < a302bd89db35d8b7e279de4d2b41c16c7f191069affectedef1433f717a2c63747a519d86965d73ff9bd08b3 to < d79123d79a8154b4318529b7b2ff7e15806f480baffected
Linux Linux
Default version status: affected
4.18affected0 to < 4.18unaffected5.4.297 to ≤ 5.4.*unaffected5.10.241 to ≤ 5.10.*unaffected5.15.190 to ≤ 5.15.*unaffected6.1.149 to ≤ 6.1.*unaffected6.6.103 to ≤ 6.6.*unaffected6.12.44 to ≤ 6.12.*unaffected6.16.4 to ≤ 6.16.*unaffected6.17 to ≤ *unaffected
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 ↗