bpf: Protect against int overflow for stack access size

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Summary

CVECVE-2024-35905
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-19 09:15:11 UTC
Updated2026-05-12 12:16:40 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int representation. This should not actually happen, as there are other protections along the way, but we should protect against it anyway. One code path was missing such protections (fixed in the previous patch in the series), causing out-of-bounds array accesses in check_stack_range_initialized(). This patch causes the verification of a program with such a non-sensical access size to fail. This check used to exist in a more indirect way, but was inadvertendly removed in a833a17aeac7.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-129 | CWE-190

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 afea95d319ccb4ad2060dece9ac5e2e364dec543 9970e059af471478455f9534e8c3db82f8c5496d git Not specified
CNA Linux Linux affected 02962684258eb53f414a8a59854767be526e6abb 37dc1718dc0c4392dbfcb9adec22a776e745dd69 git Not specified
CNA Linux Linux affected b1d4d54d32ce6342f5faffe71bae736540ce7cb5 98cdac206b112bec63852e94802791e316acc2c1 git Not specified
CNA Linux Linux affected 08b91babccbb168353f8d43fea0ed28a4cad568c 3f0784b2f1eb9147973d8c43ba085c5fdf44ff69 git Not specified
CNA Linux Linux affected a833a17aeac73b33f79433d7cee68d5cafd71e4f 203a68151e8eeb331d4a64ab78303f3a15faf103 git Not specified
CNA Linux Linux affected a833a17aeac73b33f79433d7cee68d5cafd71e4f ecc6a2101840177e57c925c102d2d29f260d37c8 git Not specified
CNA Linux Linux affected 1858b8a331937f3976d8482cd5f6e1f945294ad3 git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 5.10.215 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.154 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.85 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.26 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.5 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
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/203a68151e8eeb331d4a64ab78303f3a15faf103 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/98cdac206b112bec63852e94802791e316acc2c1 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/3f0784b2f1eb9147973d8c43ba085c5fdf44ff69 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/ecc6a2101840177e57c925c102d2d29f260d37c8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/9970e059af471478455f9534e8c3db82f8c5496d af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/37dc1718dc0c4392dbfcb9adec22a776e745dd69 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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