CVE-2026-45993

🗓️ 27 May 2026 12:55:46Reported by LinuxType

LoongArch adds spectre boundary on the syscall dispatch table to prevent out-of-bounds access.

Reporter	Title	Published	Views	Family All 63
ATTACKERKB	CVE-2026-45993	27 May 202612:55	–	attackerkb
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
Cvelist	CVE-2026-45993 LoongArch: Add spectre boundry for syscall dispatch table	27 May 202612:55	–	cvelist
Debian CVE	CVE-2026-45993	27 May 202612:55	–	debiancve
EUVD	EUVD-2026-32289	27 May 202615:33	–	euvd
Microsoft CVE	LoongArch: Add spectre boundry for syscall dispatch table	28 May 202608:12	–	mscve
NVD	CVE-2026-45993	27 May 202614:17	–	nvd
OPENSUSE Linux	kernel-devel-7.0.11-1.1 on GA media (moderate)	8 Jun 202600:00	–	opensuse
OSV	BELL-CVE-2026-45993	29 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-45993	27 May 202614:17	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange5.19–6.6.140

linux linux_kernelRange6.7–6.12.86

linux linux_kernelRange6.13–6.18.27

linux linux_kernelRange6.19–7.0.4

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/loongarch/kernel/syscall.c"
    ],
    "versions": [
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "c8a8e863928424046b8fd328f02c359baa0a0c3f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "108f2cd13577a410c0ad6ea00708596d9d0dfc90",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "07040904ad217545be096d4280ed33c02f6a3750",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "85cbf7fb568af5358aae61925c4e66b8f5e1439d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "bc84a109c2082dd0c4b38e8d923c046b41977533",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be769645a2aef577f07afdcb4de8fad20b6d57c0",
        "lessThan": "0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/loongarch/kernel/syscall.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90
git	www.git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d
git	www.git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533
git	www.git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f
git	www.git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750
git	www.git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d

19 Jun 2026 11:58Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.15.5

EPSS0.00127