High severity · published Jul 29, 2022
CVE-2022-36123
The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss)
7.8
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.18.13 · source: NVD
HF
H300s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410c Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H700s Firmware · Netapp
All versions, or not specified · source: NVD
RR
RUGGEDCOM ROX MX5000 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX MX5000RE · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1400 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1500 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1501 · Siemens
before V2.17.0 · source: CISA
RR
RUGGEDCOM ROX RX1510 · Siemens
before V2.17.0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36123
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36123
Release Notes
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
Exploit
https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
Patch
https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
Patch
https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220901-0003/
Exploit
https://sick.codes/sick-2022-128
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