An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||7||Base Metrics:||AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H|
|Access Vector:||Local network||Attack Complexity:||High|
|Privileges Required:||Low||User Interaction:||None|
|Integrity Impact:||High||Availability Impact:||High|
|Oracle Linux version 8 (glibc)||ELSA-2020-4444||2020-11-10|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team