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CVE-2026-53074 (GCVE-0-2026-53074)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-06-24 16:30
VLAI
Title
bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb bpf_prog_test_run_skb() calls eth_type_trans() first and then uses skb->protocol to initialize sk family and address fields for the test run. For IPv4 and IPv6 packets, it may access ip_hdr(skb) or ipv6_hdr(skb) even when the provided test input only contains an Ethernet header. Reject the input earlier if the Ethernet frame carries IPv4/IPv6 EtherType but the L3 header is too short. Fold the IPv4/IPv6 header length checks into the existing protocol switch and return -EINVAL before accessing the network headers.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 7254267799d083280c0e53effc101a33add95f7b (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 6a9f38d5ff11e00bc54baab752642978805e81eb (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < e6aa481f21fc7a41ed344767ea25aae9d03fae71 (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 0a04db240effd85773f66244645a28cedddb72d2 (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 1f882c492d46f90bdb36f4936876c88c28dab21c (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 8042240412de3222d27b31e89d29336961cad9e4 (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 6def5fe753cbe5b279ee5fd10327b2611cbddaca (git)
Affected: fa5cb548ced61b9d3095f32f8a7e427a248c65ee , < 12bec2bd4b76d81c5d3996bd14ec1b7f4d983747 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.9
Unaffected: 0 , < 5.9 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-21T18:16:05+00:00",
      "cve": "CVE-2026-53074",
      "id": "CVE-2026-53074",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53074.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-09-10T16:58:51Z",
      "cve": "CVE-2026-53074",
      "id": "CVE-2026-53074",
      "initial_release_date": "2026-07-01T03:19:09Z",
      "product_status:first_fixed": "2",
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      "product_status:recommended": "250",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-53074",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-53074.json",
      "version": "12"
    }
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.