Home/CVE/The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV
CVE

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.

HIGH · CVSS 7.8 EPSS 0.00027
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

6
linux kernel< 5.18.13
netapp h300s firmwareall versions
netapp h500s firmwareall versions
netapp h700s firmwareall versions
netapp h410s firmwareall versions
netapp h410c firmwareall versions
⚠

Public Exploits & PoCs

2
pocgithub.com · SICK-2022-128.mdgithub.com
pocsick.codes · sick-2022-128sick.codes
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Jul 2022 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
siemens-csafSSA-202008
siemens-csafSSA-794697
msrcCVE-2022-36123
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-166-11
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13Release NotesThird Party Advisory
https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0PatchThird Party Advisory
https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20220901-0003/Third Party Advisory
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