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CVE-2026-98403 s390/boot: Avoid IPL parameter append past command line

🗓️ 14 Oct 2026 13:26:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Out-of-bounds write in Linux kernel s390/boot when appending IPL parameters.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98403
14 Oct 202618:34
–circl
cve
CVE
CVE-2026-98403
14 Oct 202613:26
–cve
debiancve
Debian CVE
CVE-2026-98403
14 Oct 202613:26
–debiancve
euvd
EUVD
EUVD-2026-101052
14 Oct 202613:26
–euvd
nvd
NVD
CVE-2026-98403
14 Oct 202614:17
–nvd
ubuntucve
UbuntuCve
CVE-2026-98403
14 Oct 202600:00
–ubuntucve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/s390/boot/ipl_parm.c"
    ],
    "versions": [
      {
        "version": "5ecb2da660ab8eddafe059a6a8a708465db89ca2",
        "lessThan": "af9866021a00ab9eeacf0c33ee73f3d134b4ed70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5ecb2da660ab8eddafe059a6a8a708465db89ca2",
        "lessThan": "73eec5a0d55916d7e1115f5d03a7ffc06d6215cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5ecb2da660ab8eddafe059a6a8a708465db89ca2",
        "lessThan": "8d11bfec8666f8409fac9072e9c25b691d3e30ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5ecb2da660ab8eddafe059a6a8a708465db89ca2",
        "lessThan": "d76181dfabdaa720703167393704efacba343442",
        "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/s390/boot/ipl_parm.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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