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CVE-2026-46319

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When looking up a flow table in act_ct in tcf_ct_flow_table_get(), rhashtable_lookup_fast() internally opens and closes an RCU read critical section before returning ct_ft. The tcf_ct_flow_table_cleanup_work() can complete before refcount_inc_not_zero() is invoked on the returned ct_ft resulting in a UAF on the already freed ct_ft object. This vulnerability can lead to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:122640ba108d0293ad7547b9560a3aca2fa549fbb91968b46082ccf54b2c9c28
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/sched/act_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEq…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sched/act_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ece578ca61e572df96cfc80456357ebfae0b4b9e","status":"affected","version":"138470a9b2cc2e26e6018300394afc3858a54e6a","versionType":"git"},{"lessThan":"a2e0c045c87aa252eb61412e67dd91f2c2b19f81","status":"affected","version":"138470a9b2cc2e26e6018300394afc3858a54e6a","versionType":"git"},{"lessThan":"67c9ecc9f2575273ed1323e312881fc98ac83d6d","status":"affected","version":"138470a9b2cc2e26e6018300394…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/sched/act_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEq…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sched/act_ct.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ece578ca61e572df96cfc80456357ebfae0b4b9e","status":"affected","version":"138470a9b2cc2e26e6018300394afc3858a54e6a","versionType":"git"},{"lessThan":"a2e0c045c87aa252eb61412e67dd91f2c2b19f81","status":"affected","version":"138470a9b2cc2e26e6018300394afc3858a54e6a","versionType":"git"},{"lessThan":"67c9ecc9f2575273ed1323e312881fc98ac83d6d","status":"affected","version":"138470a9b2cc2e26e6018300394…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/17dfb67cb399b660105d9a8c6100851c0d0cdc70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/3e20e1b3058e0b94638e7b931c138e840e266724"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/4c727c6967a41b37efe0f26332ca9ec5b74785a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/67c9ecc9f2575273ed1323e312881fc98ac83d6d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a2e0c045c87aa252eb61412e67dd91f2c2b19f81"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ece578ca61e572df96cfc80456357ebfae0b4b9e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f23424a0ddadb494d4bd57056a7ca703312d3a7b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f462dca0c8415bf0058d0ffa476354c4476d0f09"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd8f855c196712dbbe86927b6fe81866ef1e5f6ee2502ac99198f63982bda96a · sha256:f34314062f8a58b1… · /containers/cna/references/7

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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