Description
Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
References (15)
Core 15
Core References
Exploit, Mitigation, Vendor Advisory
http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00828.html
Third Party Advisory
https://access.redhat.com/solutions/7027704
Third Party Advisory
https://aws.amazon.com/security/security-bulletins/AWS-2023-007/
Exploit, Technical Description, Third Party Advisory
https://downfall.page
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html
Various Sources
http://xenbits.xen.org/xsa/advisory-435.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230811-0001/
Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5474
Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5475
Mitigation, Third Party Advisory
https://xenbits.xen.org/xsa/advisory-435.html
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/HKREYYTWUY7ZDNIB2N6H5BUJ3LE5VZPE/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/OL7WI2TJCWSZIQP2RIOLWHOKLM25M44J/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/
Scores
CVSS v3
6.5
EPSS
0.0073
EPSS Percentile
72.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1342
CWE-203
Status
published
Products (50)
debian/debian_linux
10.0
debian/debian_linux
11.0
debian/debian_linux
12.0
intel/celeron_5205u_firmware
intel/celeron_5305u_firmware
intel/celeron_g4900_firmware
intel/celeron_g4900t_firmware
intel/celeron_g4920_firmware
intel/celeron_g5900_firmware
intel/celeron_g5900t_firmware
... and 40 more
Published
Aug 11, 2023
Tracked Since
Feb 18, 2026