CVE-2023-45079 json
A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write t…
published 2023-11-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-49400
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables.
Patch / fix
- lenovo ideacentre_c5-14imb05_firmware o4hkt3ca
- lenovo ideacentre_3-07ada05_firmware o4fkt39a
- lenovo ideacentre_3-07imb05_firmware m2vkt21a
- lenovo ideacentre_g5-14imb05_firmware o4hkt3ca
- lenovo ideacentre_5-14iob6_firmware m3gkt3da
- lenovo ideacentre_creator_5-14iob6_firmware m3gkt3da
- lenovo ideacentre_g5-14amr05_firmware o4zkt2ba
- lenovo ideacentre_gaming_5-14iob6_firmware m3gkt3da
- lenovo ideacentre_mini_5_01iaq7_firmware o53kt10a
- lenovo ideacentre_mini_5-01imh05_firmware o4ekt1ba
- lenovo legion_t7-34imz5_firmware o5fkt17a
- lenovo thinkcentre_m625q_firmware m1wkt52a
- lenovo thinkcentre_m70a_firmware m2skt29a
- lenovo thinkcentre_m920z_all-in-one_firmware m1mkt56a
- lenovo thinkcentre_m920x_firmware m1ukt72a
- lenovo thinkcentre_m920t_firmware m1ukt72a
- lenovo thinkcentre_m920s_firmware m1ukt72a
- lenovo thinkcentre_m920q_firmware m1ukt72a
- lenovo thinkcentre_m90t_firmware m2tkt55a
- lenovo thinkcentre_m90s_firmware m2tkt55a
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Lenovo BIOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.lenovo.com
/us/en/product_security/LEN-141775
vendor-advisory
Sources
- CVE List CVE-2023-45079
- NVD CVE-2023-45079
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