CVE-2021-26313
published 2021-06-09CVE-2021-26313: Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of…
PriorityP425medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
0.33%
25.0th percentile
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.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| amd | all_supported_processors | >= unspecified < undefined | undefined |
| debian | debian_linux | — | — |
| debian | xen | < xen 4.14.2+25-gb6a8c4f72d-1 (bookworm) | xen 4.14.2+25-gb6a8c4f72d-1 (bookworm) |
| xen | xen | >= 0 < 4.14.2+25-gb6a8c4f72d-1 | 4.14.2+25-gb6a8c4f72d-1 |
| xen | xen | >= 0 < 4.14.2+25-gb6a8c4f72d-1 | 4.14.2+25-gb6a8c4f72d-1 |
| xen | xen | >= 0 < 4.14.2+25-gb6a8c4f72d-1 | 4.14.2+25-gb6a8c4f72d-1 |
| xen | xen | >= 0 < 4.14.2+25-gb6a8c4f72d-1 | 4.14.2+25-gb6a8c4f72d-1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
osv5.5MEDIUM
vendor_debian5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-vj56-jg6h-3gpr: Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution
ghsa_unreviewed·2022-05-24
CVE-2021-26313 [MEDIUM] CWE-203 GHSA-vj56-jg6h-3gpr: Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution
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.
OSV
CVE-2021-26313: Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution
osv·2021-06-09·CVSS 5.5
CVE-2021-26313 [MEDIUM] CVE-2021-26313: Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution
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.
Debian
CVE-2021-26313: xen - Potential speculative code store bypass in all supported CPU products, in conjun...
vendor_debian·2021·CVSS 5.5
CVE-2021-26313 [MEDIUM] CVE-2021-26313: xen - Potential speculative code store bypass in all supported CPU products, in conjun...
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.
Scope: local
bookworm: resolved (fixed in 4.14.2+25-gb6a8c4f72d-1)
bullseye: resolved (fixed in 4.14.2+25-gb6a8c4f72d-1)
forky: resolved (fixed in 4.14.2+25-gb6a8c4f72d-1)
sid: resolved (fixed in 4.14.2+25-gb6a8c4f72d-1)
trixie: resolved (fixed in 4.14.2+25-gb6a8c4f72d-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-06-09
Published