CVE-2022-1665
CVE-2022-1665: 1 tracked advisory record across Red Hat. Compare vendor sources.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.2
High [CVE-2022-1665] set of pre-production kernel packages of Red Hat Enterprise Linux for IBM Power architecture can be booted by the grub in Secure Boot mode even though it shouldn't
CVE-2022-1665Source published Source updated
A set of pre-production kernel packages of Red Hat Enterprise Linux for IBM Power architecture can be booted by the grub in Secure Boot mode even though it shouldn't. These kernel builds don't have the secure boot lockdown patches applied to it and can bypass the secure boot validations, allowing the attacker to load another non-trusted code. This issue allows kernel versions targeted for testing to eventually boot in PowerPC environments with the Secure Boot feature enabled. An attacker needs high privilege to install the non-production kernel packages in the target machine and make it the default boot option on grub2. The RHEL 8 kernel SRPM has a means to build a blacklist of sha256 hashes of bad kernels that can be added to. This should prevent kexec from booting them. If it's the…
- Affected products in this advisory
- Red Hat Enterprise Linux 8
- Red Hat package: kernel
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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