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
Summary
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.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
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Sources
- NVD DATABASE
Original Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13 Release Notes
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md Exploit
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0 Patch
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884 Patch
- https://security.netapp.com/advisory/ntap-20220901-0003/ Third Party Advisory
- https://sick.codes/sick-2022-128 Exploit
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13 Release Notes
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md Exploit
- https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0 Patch
- https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884 Patch
- https://security.netapp.com/advisory/ntap-20220901-0003/ Third Party Advisory
- https://sick.codes/sick-2022-128 Exploit
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Timeline
- nvd_ingest NVD