CVE-2025-37778

Summary

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

ksmbd: Fix dangling pointer in krb_authenticate

krb_authenticate frees sess->user and does not set the pointer to NULL. It calls ksmbd_krb5_authenticate to reinitialise sess->user but that function may return without doing so. If that happens then smb2_sess_setup, which calls krb_authenticate, will be accessing free'd memory when it later uses sess->user.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < b61f04d5d73c53d183019bafe22fb700a739bac5affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < d5b554bc8d554ed6ddf443d3db2fad9f665cec10affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 1db2451de23e98bc864c6a6e52aa0d82c91cb325affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 6e30c0e10210c714f3d4453dc258d4abcc70364eaffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < e83e39a5f6a01a81411a4558a59a10f87aa88dd6affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 1e440d5b25b7efccb3defe542a73c51005799a5faffected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.203 <= 5.15.*unaffected
LinuxLinux6.1.135 <= 6.1.*unaffected
LinuxLinux6.6.88 <= 6.6.*unaffected
LinuxLinux6.12.25 <= 6.12.*unaffected
LinuxLinux6.14.4 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References