CVEvulnerability
CVE-2026-98559
- Status
- Received
- Published
- 2026-10-18
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
net/smc: fix UAF on lgr list traversal in smcr_port_err()
smcr_port_err() traverses smc_lgr_list.list without holding
smc_lgr_list.lock, allowing a concurrent smc_lgr_terminate_sched()
to free an lgr while it is still being dereferenced.
Hold smc_lgr_list.lock across the traversal. Update
smc_ib_gid_check() to call smcr_port_err() after releasing the lock.
References
- https://git.kernel.org/stable/c/00a59600ae72d24859d0ad1783a78bc921bc2599 git.kernel.org
- https://git.kernel.org/stable/c/0edcc4284392b28826b5d37532b366b291e6e0fa git.kernel.org
- https://git.kernel.org/stable/c/34bcf11cd2528ae00bb6d764d808083c66824277 git.kernel.org
- https://git.kernel.org/stable/c/3d35f069e1c119992000d51236dbe54da2d4e61e git.kernel.org
- https://git.kernel.org/stable/c/3d65a2eb4449fc9658fb860dea893025d028d90e git.kernel.org
- https://git.kernel.org/stable/c/61cb282fe97b3b0ba32ca09417a693162bf4ae3f git.kernel.org
- https://git.kernel.org/stable/c/a9b968e42690d784c241a0761c10253271f7df5d git.kernel.org