KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.12.97, 6.18.40, 7.1.5
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2 It is entirely possible for a guest to write to the ZCR_EL2 sysreg alias while in a nested context, as it is expected if FEAT_NV2 is advertised to the L1 hypervisor. Get rid of the bogus WARN which, since the hyp vectors were installed at this point, has the effect of a hyp_panic...
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f · fixed in 6561597dba97e3e8479a9919bda172cf43eb902c; From 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f · fixed in 5000bcae71c869cba6674c326fec2d8ad659ae3a; From 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f · fixed in 7deadbc5dab5b8e2316364603bc6281129c8461c; From 0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f · fixed in 9f1667098c6ae7ec81a9a56859cfdacb822aa0d0
- Linux Linux
6.11
- KernelLinux
From 6.11.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5