CVE-2022-36123: linux linux_kernel
Vulnerability summary
CVE-2022-36123 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59.4% of scored vulnerabilities. 2 public exploits are recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 29-07-2022PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
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 metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.90% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundSecurity
Maturity: poc
Exploit Reference (sick.codes)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu38 products
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-5.8All versions (No fix recorded)
Netapp5 products
Debian1 product
- linux< 5.18.14-1
Linux1 product
- linux_kernel< 5.18.13
4 vendors · 45 products
References
12 links- github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.mdX Refsource MISCREPORTExploitPatchThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13X Refsource CONFIRMREPORTRelease NotesThird Party Advisory
- github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884X Refsource CONFIRMREPORTPatchThird Party Advisory
- github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0X Refsource MISCREPORTPatchThird Party Advisory
