CVE-2022-49950
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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().
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/5cf2a57c7a01a0d7bdecf875a63682f542891b1bPatch
- https://git.kernel.org/stable/c/cf20c3533efc89578ace94fa20a9e63446223c72Patch
- https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4Patch
- https://git.kernel.org/stable/c/e0578e603065f120a8759b75e0d6c216c7078a39Patch
- https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.