PT-2021-8001 · Linux · Linux Kernel

🗓️ 17 Apr 2021 00:00:00Reported by Positive TechnologiesType

ptsecurity🔗 dbugs.ptsecurity.com👁 2 Views

Null pointer dereference in the kernel virtualization subsystem when using created virtual CPUs for SEV VMSA encryption; may enable remote denial of service.

Reporter	Title	Published	Views	Family All 14
Circl	CVE-2021-47062	1 Mar 202400:26	–	circl
CNNVD	Linux kernel security vulnerabilities	29 Feb 202400:00	–	cnnvd
CVE	CVE-2021-47062	29 Feb 202422:37	–	cve
Cvelist	CVE-2021-47062 KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs	29 Feb 202422:37	–	cvelist
Debian CVE	CVE-2021-47062	29 Feb 202422:37	–	debiancve
NVD	CVE-2021-47062	29 Feb 202423:15	–	nvd
OSV	UBUNTU-CVE-2021-47062	29 Feb 202423:15	–	osv
RedhatCVE	CVE-2021-47062	1 Mar 202405:01	–	redhatcve
SUSE CVE	SUSE CVE-2021-47062	2 Mar 202405:48	–	susecve
Tenable Nessus	TencentOS Server 4: kernel (TSSA-2024:0958)	16 Jun 202500:00	–	nessus

Source	Link
ubuntu	www.ubuntu.com/security/CVE-2021-47062
cve	www.cve.org/CVERecord
security-tracker	www.security-tracker.debian.org/tracker/CVE-2021-47062
bdu	www.bdu.fstec.ru/vul/2024-01748
nvd	www.nvd.nist.gov/vuln/detail/CVE-2021-47062
git	www.git.kernel.org/stable/c/ba7bf5d6336aa9c0d977b161bfa420c56d46ee40
git	www.git.kernel.org/stable/c/c36b16d29f3af5f32fc1b2a3401bf48f71cabee1
osv	www.osv.dev/vulnerability/UBUNTU-CVE-2021-47062
git	www.git.kernel.org/stable/c/bd0cced2ae93195668f983d443f7f17e8efd24d2
kernel	www.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4

10 Dec 2024 00:00Current

6.6Medium risk

Vulners AI Score6.6

CVSS 25.5

CVSS 3.15.5

EPSS0.00018

SSVC