CVE-2021-28690
Last modified
CVE-2021-28690 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
Description
x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Xen | Xen | >= 4.12, <= 4.15.0 | — |
| Xen | Xen | 4.15.0 | Rc1 |
References
- https://security.gentoo.org/glsa/202107-30Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-377.txtPatch, Vendor Advisory
- https://security.gentoo.org/glsa/202107-30Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-377.txtPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28690?
How severe is CVE-2021-28690?
How do I fix CVE-2021-28690?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-28684The XML parser used in ConeXware PowerArchiver before 20.10.…4.3
- CVE-2021-28685AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3…7.8
- CVE-2021-28686AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3…5.5
- CVE-2021-28687HVM soft-reset crashes toolstack libxl requires all data str…5.5
- CVE-2021-28688The fix for XSA-365 includes initialization of pointers such…6.5
- CVE-2021-28689x86: Speculative vulnerabilities with bare (non-shim) 32-bit…5.5
- CVE-2021-28691Guest triggered use-after-free in Linux xen-netback A malici…7.8
- CVE-2021-28692inappropriate x86 IOMMU timeout detection / handling IOMMUs …7.1
- CVE-2021-28693xen/arm: Boot modules are not scrubbed The bootloader will l…5.5
- CVE-2021-28694IOMMU page mapping issues on x86 T[his CNA information recor…6.8
- CVE-2021-28695IOMMU page mapping issues on x86 T[his CNA information recor…6.8
- CVE-2021-28696IOMMU page mapping issues on x86 T[his CNA information recor…6.8
Are you affected by CVE-2021-28690?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST