netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-35898
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-19 09:15:10 UTC
Updated2026-05-12 12:16:39 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from ADP

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

Problem Types: CWE-362 | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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 3b49e2e94e6ebb8b23d0955d9e898254455734f8 69d1fe14a680042ec913f22196b58e2c8ff1b007 git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 a347bc8e6251eaee4b619da28020641eb5b0dd77 git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 940d41caa71f0d3a52df2fde5fada524a993e331 git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 2485bcfe05ee3cf9ca8923a94fa2e456924c79c8 git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 8b891153b2e4dc0ca9d9dab8f619d49c740813df git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 e684b1674fd1ca4361812a491242ae871d6b2859 git Not specified
CNA Linux Linux affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 24225011d81b471acc0e1e315b7d9905459a6304 git Not specified
CNA Linux Linux affected 4.16 Not specified
CNA Linux Linux unaffected 4.16 semver Not specified
CNA Linux Linux unaffected 4.19.312 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.274 5.4.* 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, Third Party Advisory
git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813df 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/940d41caa71f0d3a52df2fde5fada524a993e331 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b 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, Third Party Advisory
git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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