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CVE-2024-35898

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

Description

In 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.

Timeline

  1. ID reserved

    By Linux

  2. · 2 days later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-35898, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1High7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (11 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.

Affected products

  • Linux · Linux

    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 69d1fe14a680042ec913f22196b58e2c8ff1b007
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < a347bc8e6251eaee4b619da28020641eb5b0dd77
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 940d41caa71f0d3a52df2fde5fada524a993e331
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 2485bcfe05ee3cf9ca8923a94fa2e456924c79c8
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 8b891153b2e4dc0ca9d9dab8f619d49c740813df
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < e684b1674fd1ca4361812a491242ae871d6b2859
    • affected 3b49e2e94e6ebb8b23d0955d9e898254455734f8 – < 24225011d81b471acc0e1e315b7d9905459a6304
  • Linux · Linux

    • affected 4.16
    • unaffected < 4.16
    • unaffected 4.19.312 – ≤ 4.19.*
    • unaffected 5.4.274 – ≤ 5.4.*
    • unaffected 5.10.215 – ≤ 5.10.*
    • unaffected 5.15.154 – ≤ 5.15.*
    • unaffected 6.1.85 – ≤ 6.1.*
    • unaffected 6.6.26 – ≤ 6.6.*
    • unaffected 6.8.5 – ≤ 6.8.*
    • unaffected 6.9 – ≤ *

References

References11

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .