The vulnerability of the `flush_cache_range()` function in the `arch/parisc/kernel/cache.c` module, which is part of the PARISC architecture support for Linux kernel, allows an attacker to compromise the integrity of protected information or cause service failures.

🗓️ 26 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

bdu_fstec

bdu_fstec🔗 bdu.fstec.ru👁 2 Views

Vulnerability in flush_cache_range() arch/parisc/kernel/cache.c risks data integrity and failures.

Reporter	Title	Published	Views	Family All 18
Circl	CVE-2022-49172	3 Dec 202514:14	–	circl
CNNVD	Linux kernel 安全漏洞	26 Feb 202500:00	–	cnnvd
CVE	CVE-2022-49172	26 Feb 202501:55	–	cve
Cvelist	CVE-2022-49172 parisc: Fix non-access data TLB cache flush faults	26 Feb 202501:55	–	cvelist
Debian CVE	CVE-2022-49172	26 Feb 202501:55	–	debiancve
EUVD	EUVD-2022-55053	3 Oct 202520:07	–	euvd
Microsoft CVE	parisc: Fix non-access data TLB cache flush faults	25 Sep 202501:01	–	mscve
NVD	CVE-2022-49172	26 Feb 202507:00	–	nvd
OSV	CVE-2022-49172 parisc: Fix non-access data TLB cache flush faults	26 Feb 202501:55	–	osv
OSV	DEBIAN-CVE-2022-49172	26 Feb 202507:00	–	osv

Source	Link
git	www.git.kernel.org/stable/c/b3d6adb3a49d82e4e557c5fc16f50c9ff731da5d
git	www.git.kernel.org/stable/c/ddca4b82027e2a66333dd40fab21a4beff435c7e
cve	www.cve.org/CVERecord
lore	www.lore.kernel.org/linux-cve-announce/2025022612-CVE-2022-49172-3fe3@gregkh/
git	www.git.kernel.org/linus/f839e5f1cef36ce268950c387129b1bfefdaebc9
kernel	www.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
kernel	www.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
security-tracker	www.security-tracker.debian.org/tracker/CVE-2022-49172
ubuntu	www.ubuntu.com/security/CVE-2022-49172
web	www.web.nvd.nist.gov/view/vuln/detail

26 Feb 2026 00:00Current

6Medium risk

Vulners AI Score6

CVSS 26.2

CVSS 37.1

EPSS0.00246

parisc kernel flush_cache_range memory safety data integrity service disruption