CVE-2021-47094
KVM: x86/mmu: Don't advance iterator after restart due to yielding
References
Notes
carnil> Introduced in faaf05b00aec ("kvm: x86/mmu: Support zapping SPTEs in the TDP
carnil> MMU")
carnil> 1af4a96025b3 ("KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed").
carnil> Vulnerable versions: 5.10.
Bugs
Status
| Branch |
Status |
| upstream |
released (5.16-rc7) [3a0f64de479cae75effb630a2e0a237ca0d0623c]
|
| 6.18-upstream-stable |
N/A "Fixed before branching point"
|
| 6.17-upstream-stable |
N/A "Fixed before branching point"
|
| 6.12-upstream-stable |
N/A "Fixed before branching point"
|
| 6.7-upstream-stable |
N/A "Fixed before branching point"
|
| 6.6-upstream-stable |
N/A "Fixed before branching point"
|
| 6.1-upstream-stable |
N/A "Fixed before branching point"
|
| 5.10-upstream-stable |
needed
|
| 4.19-upstream-stable |
N/A "Vulnerable code not present"
|
| sid |
released (5.15.15-1)
|
| 6.12-trixie-security |
N/A "Fixed before branching point"
|
| 6.1-bookworm-security |
N/A "Fixed before branching point"
|
| 5.10-bullseye-security |
needed
|
| 4.19-buster-security |
N/A "Vulnerable code not present"
|