CVE-2026-31483 s390/syscalls: Add spectre boundary for syscall dispatch table

🗓️ 22 Apr 2026 13:54:09Reported by GoogleType

osv

osv🔗 osv.dev👁 1 Views

The s390 syscall boundary is updated to enforce spectre protection on the dispatch table.

Reporter	Title	Published	Views	Family All 42
astralinux	Astra Linux – Vulnerability in Linux 5.10	20 May 202605:53	–	astralinux
cbl_mariner	CVE-2026-31483 affecting package kernel for versions less than 6.6.134.1-2	3 May 202620:52	–	cbl_mariner
circl	CVE-2026-31483	5 May 202620:00	–	circl
cnnvd	Linux kernel 安全漏洞	22 Apr 202600:00	–	cnnvd
cve	CVE-2026-31483	22 Apr 202613:54	–	cve
cvelist	CVE-2026-31483 s390/syscalls: Add spectre boundary for syscall dispatch table	22 Apr 202613:54	–	cvelist
debian	[SECURITY] [DLA 4561-1] linux-6.1 security update	2 May 202608:40	–	debian
debian	[SECURITY] [DSA 6238-1] linux security update	30 Apr 202620:05	–	debian
debian	[SECURITY] [DSA 6243-1] linux security update	1 May 202619:10	–	debian
debiancve	CVE-2026-31483	22 Apr 202613:54	–	debiancve

Source	Link
git	www.git.kernel.org/stable/c/1cb9c7bc9025c637564fabc7fcc3c9343949e310
git	www.git.kernel.org/stable/c/3c3b97064764899c39a0abbd35a6caa031e70333
git	www.git.kernel.org/stable/c/48b8814e25d073dd84daf990a879a820bad2bcbd
git	www.git.kernel.org/stable/c/4d05dd18d867d58c6952a3bc260d244899da7256
git	www.git.kernel.org/stable/c/7a5260fbc6e79a1595328ec5c6aa3f937504a1f0
git	www.git.kernel.org/stable/c/87776f02449e3bded95b2ccbd6b012e9ae64e6f3
git	www.git.kernel.org/stable/c/f8c444b918d639e1f9a621ee20fe481c1d10dfc4
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31483.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-31483
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

15 Jul 2026 01:49Current

6.2Medium risk

Vulners AI Score6.2

CVSS 3.15.5

EPSS0.00123

spectre boundary syscall dispatch table s390 architecture kernel vulnerability