CVE-2022-36123
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 5.18.13
- Netapp h300s Firmware
- Netapp h500s Firmware
- Netapp h700s Firmware
- Netapp h410s Firmware
- Netapp h410c Firmware
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-36123.md and follow it. Check whether this project is affected by CVE-2022-36123. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
- https://sick.codes/sick-2022-128
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
- https://sick.codes/sick-2022-128
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
- https://security.netapp.com/advisory/ntap-20220901-0003/
- https://sick.codes/sick-2022-128
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
- https://security.netapp.com/advisory/ntap-20220901-0003/
- https://sick.codes/sick-2022-128
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html