CVE-2022-49950

Summary

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

misc: fastrpc: fix memory corruption on open

The probe session-duplication overflow check incremented the session count also when there were no more available sessions so that memory beyond the fixed-size slab-allocated session array could be corrupted in fastrpc_session_alloc() on open().

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf6f9279f2bf0e37e2f1fb119d8832b8568536a04 < f8632b8bb53ebc005d8f24a68a0c1f9678c0e908affected
LinuxLinuxf6f9279f2bf0e37e2f1fb119d8832b8568536a04 < 5cf2a57c7a01a0d7bdecf875a63682f542891b1baffected
LinuxLinuxf6f9279f2bf0e37e2f1fb119d8832b8568536a04 < cf20c3533efc89578ace94fa20a9e63446223c72affected
LinuxLinuxf6f9279f2bf0e37e2f1fb119d8832b8568536a04 < e0578e603065f120a8759b75e0d6c216c7078a39affected
LinuxLinuxf6f9279f2bf0e37e2f1fb119d8832b8568536a04 < d245f43aab2b61195d8ebb64cef7b5a08c590ab4affected
LinuxLinux5.1affected
LinuxLinux0 < 5.1unaffected
LinuxLinux5.4.213 <= 5.4.*unaffected
LinuxLinux5.10.142 <= 5.10.*unaffected
LinuxLinux5.15.66 <= 5.15.*unaffected
LinuxLinux5.19.8 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References