Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-26313
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003
• https://www.debian.org/security/2021/dsa-4931
• http://www.openwall.com/lists/oss-security/2021/06/09/2
• http://www.openwall.com/lists/oss-security/2021/06/10/1
• http://www.openwall.com/lists/oss-security/2021/06/10/10
• http://www.openwall.com/lists/oss-security/2021/06/10/11
• http://xenbits.xen.org/xsa/advisory-375.html