Red Hat Security AdvisoryRHSA-2023:2165
edk2 security, bug fix, and enhancement update
Released 2023-05-09 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream (v. 9) edk2-20221207gitfff6d81270b5-9.el9_2, edk2-aarch64-20221207gitfff6d81270b5-9.el9_2, edk2-ovmf-20221207gitfff6d81270b5-9.el9_2
- Red Hat Enterprise Linux CRB (v. 9) edk2-aarch64-20221207gitfff6d81270b5-9.el9_2, edk2-ovmf-20221207gitfff6d81270b5-9.el9_2, edk2-tools-20221207gitfff6d81270b5-9.el9_2 +1
Fixes 5 records
Priority HIGH 70
There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName.
CVSS 3.1HIGH 7.4· Network · No auth · No interaction · EPSS 0.69286 · Published 2023-02-08 · Partial fix · 3.0.8, 1.1.1t +4 CWE-843
Priority MEDIUM 62
The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.2859 · Published 2023-02-08 · Partial fix · 3.0.8, 1.1.1t +2 CWE-415
Priority MEDIUM 47
The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.05024 · Published 2023-02-08 · Partial fix · 3.0.8, 1.1.1t +3 CWE-416
Priority MEDIUM 47
A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.23509 · Published 2023-02-08 · Partial fix · 3.0.8, 1.1.1t +3 CWE-203
Priority MEDIUM 45
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01019 · Published 2022-03-03 · Partial fix CWE-124