x86, relocs: Ignore relocations in .notes section

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Summary

CVECVE-2024-26816
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-10 14:15:07 UTC
Updated2026-05-12 12:16:20 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: x86, relocs: Ignore relocations in .notes section When building with CONFIG_XEN_PV=y, .text symbols are emitted into the .notes section so that Xen can find the "startup_xen" entry point. This information is used prior to booting the kernel, so relocations are not useful. In fact, performing relocations against the .notes section means that the KASLR base is exposed since /sys/kernel/notes is world-readable. To avoid leaking the KASLR base without breaking unprivileged tools that are expecting to read /sys/kernel/notes, skip performing relocations in the .notes section. The values readable in .notes are then identical to those found in System.map.

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: CWE-770

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 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 13edb509abc91c72152a11baaf0e7c060a312e03 git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 52018aa146e3cf76569a9b1e6e49a2b7c8d4a088 git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 a4e7ff1a74274e59a2de9bb57236542aa990d20a git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 c7cff9780297d55d97ad068b68b703cfe53ef9af git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 47635b112a64b7b208224962471e7e42f110e723 git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 af2a9f98d884205145fd155304a6955822ccca1c git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 ae7079238f6faf1b94accfccf334e98b46a0c0aa git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 5cb59db49c9c0fccfd33b2209af4f7ae3c6ddf40 git Not specified
CNA Linux Linux affected 5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 aaa8736370db1a78f0e8434344a484f9fd20be3b git Not specified
CNA Linux Linux affected 2.6.23 Not specified
CNA Linux Linux unaffected 2.6.23 semver Not specified
CNA Linux Linux unaffected 4.19.311 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.273 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.214 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.153 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.83 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.23 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.11 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8.2 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/af2a9f98d884205145fd155304a6955822ccca1c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/aaa8736370db1a78f0e8434344a484f9fd20be3b 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
git.kernel.org/stable/c/ae7079238f6faf1b94accfccf334e98b46a0c0aa 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/a4e7ff1a74274e59a2de9bb57236542aa990d20a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/5cb59db49c9c0fccfd33b2209af4f7ae3c6ddf40 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/c7cff9780297d55d97ad068b68b703cfe53ef9af af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00020.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List
git.kernel.org/stable/c/47635b112a64b7b208224962471e7e42f110e723 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/52018aa146e3cf76569a9b1e6e49a2b7c8d4a088 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/13edb509abc91c72152a11baaf0e7c060a312e03 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 6000567 Debian Security Update for linux (DSA 5658-1)
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