CVE-2025-38653

Summary

In the Linux kernel, the following vulnerability has been resolved:

proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al

Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < c35b0feb80b48720dfbbf4e33759c7be3faaebb6affected
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < 33c778ea0bd0fa62ff590497e72562ff90f82b13affected
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < fc1072d934f687e1221d685cf1a49a5068318f34affected
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < d136502e04d8853a9aecb335d07bbefd7a1519a8affected
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < 1fccbfbae1dd36198dc47feac696563244ad81d3affected
LinuxLinux3f61631d47f115b83c935d0039f95cb68b0c8ab7 < ff7ec8dc1b646296f8d94c39339e8d3833d16c05affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.1.148 <= 6.1.*unaffected
LinuxLinux6.6.102 <= 6.6.*unaffected
LinuxLinux6.12.42 <= 6.12.*unaffected
LinuxLinux6.15.10 <= 6.15.*unaffected
LinuxLinux6.16.1 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References