AZL-99422
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-99422.json
- JSON Data
- https://api.osv.dev/v1/vulns/AZL-99422
- Upstream
- Published
- 2026-09-04T16:18:12Z
- Modified
- 2026-09-05T14:16:56.778397860Z
- Summary
- CVE-2026-80843 affecting package kernel 6.6.150.1-1
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
xfrm: fix xfrmstateconstruct() auth-trunc leak
attachauthtrunc() can allocate x->aalg while leaving x->props.aalgo at zero when the selected auth algorithm has no sadbalgid. One real case is cmac(aes).
xfrmstateconstruct() then treats !x->props.aalgo as "no auth algorithm attached yet" and calls attach_auth(). That overwrites x->aalg and loses the first allocation. Any later failure or teardown only frees the replacement pointer.
Check whether x->aalg is already attached instead of inferring that state from x->props.aalgo.
- References