riscv: Fix TASK_SIZE on 64-bit NOMMU

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-35988
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-20 10:15:13 UTC
Updated2026-05-12 12:16:45 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASK_SIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 04bf2e5f95c1a52e28a7567a507f926efe31c3b6 git Not specified
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 52e8a42b11078d2aad4b9ba96503d77c7299168b git Not specified
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 4201b8c8f2c32af321fb50867e68ac6c1cbed4be git Not specified
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa git Not specified
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 efdcfa554b6eb228943ef1dd4d023c606be647d2 git Not specified
CNA Linux Linux affected 6bd33e1ece528f67646db33bf97406b747dafda0 6065e736f82c817c9a597a31ee67f0ce4628e948 git Not specified
CNA Linux Linux affected 5.5 Not specified
CNA Linux Linux unaffected 5.5 semver Not specified
CNA Linux Linux unaffected 5.10.216 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.158 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.90 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.30 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.9 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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