CVE-2026-80571

Source
https://cve.org/CVERecord?id=CVE-2026-80571
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80571.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-80571
Downstream
Published
2026-08-26T14:37:32.541Z
Modified
2026-08-28T11:48:23.507782617Z
Summary
powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak
Details

In the Linux kernel, the following vulnerability has been resolved:

powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak

In paprphyattestcreatehandle(), the params->cmd.length is not validated before use, which can result in a buffer overlow. Check it and return -EINVAL if it is either 0 or exceeds sizeof(params->cmd).

Also, params is freed on the success path but not error. Free it on errors after memory allocation. And free it on negative fd.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80571.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
86900ab620a42396a749b506d4a187820fc3fabe
Fixed
828a8d1a9107aec6353d896882df8383accf7e80
Fixed
ed98ce338f9a65c90cb930b088f1eb36de7181af
Fixed
5b17f3f34391372faf03e79d947e0c50ab6dd258

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80571.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.16.0
Fixed
6.18.46
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.10

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80571.json"