Vulnerability · Published Jul 29, 2022 · Assigned by mitre
CVE-2022-36123
High 7.8
In plain English
A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.14-1 | DEBIAN-CVE-2022-36123 |
| Debian:13 | linux | 5.18.14-1 | DEBIAN-CVE-2022-36123 |
| Debian:14 | linux | 5.18.14-1 | DEBIAN-CVE-2022-36123 |
Affected products (as reported)
References
- https://sick.codes/sick-2022-128 x_refsource_MISC
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13 x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884 x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0 x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220901-0003/ x_refsource_CONFIRM
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html