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CVE-2021-46957 riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe

🗓️ 27 Feb 2024 18:46:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

Fix riscv/kprobe kernel panic in sys_read, traced by kprob

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-46957
27 Feb 202419:04
attackerkb
BDU FSTEC
The vulnerability of the kprobe_fault_handler() function in the arch/riscv/kernel/probes/kprobes.c file of the module for the Linux operating system’s RISC-V architecture-based kernel, allows a hacker to trigger a service failure.
18 Mar 202500:00
bdu_fstec
Circl
CVE-2021-46957
28 Feb 202404:51
circl
CNNVD
Linux kernel security vulnerabilities
27 Feb 202400:00
cnnvd
CVE
CVE-2021-46957
27 Feb 202418:46
cve
Debian CVE
CVE-2021-46957
27 Feb 202418:46
debiancve
NVD
CVE-2021-46957
27 Feb 202419:04
nvd
OSV
CVE-2021-46957
27 Feb 202419:04
osv
OSV
UBUNTU-CVE-2021-46957
27 Feb 202419:04
osv
Prion
Spoofing
27 Feb 202419:04
prion
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/riscv/kernel/probes/kprobes.c"
    ],
    "versions": [
      {
        "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
        "lessThan": "fd0f06590d35c99f98d12c7984897ec4201a6263",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
        "lessThan": "b1ebaa0e1318494a7637099a26add50509e37964",
        "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/riscv/kernel/probes/kprobes.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.3",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:45Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00208
17