CVE-2024-53057 (GCVE-0-2024-53057)

Vulnerability from cvelistv5 – Published: 2024-11-19 17:19 – Updated: 2026-05-12 12:01
VLAI
Title
net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT
Summary
In the Linux kernel, the following vulnerability has been resolved: net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT In qdisc_tree_reduce_backlog, Qdiscs with major handle ffff: are assumed to be either root or ingress. This assumption is bogus since it's valid to create egress qdiscs with major handle ffff: Budimir Markovic found that for qdiscs like DRR that maintain an active class list, it will cause a UAF with a dangling class pointer. In 066a3b5b2346, the concern was to avoid iterating over the ingress qdisc since its parent is itself. The proper fix is to stop when parent TC_H_ROOT is reached because the only way to retrieve ingress is when a hierarchy which does not contain a ffff: major handle call into qdisc_lookup with TC_H_MAJ(TC_H_ROOT). In the scenario where major ffff: is an egress qdisc in any of the tree levels, the updates will also propagate to TC_H_ROOT, which then the iteration must stop. net/sched/sch_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < e7f9a6f97eb067599a74f3bcb6761976b0ed303e (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < dbe778b08b5101df9e89bc06e0a3a7ecd2f4ef20 (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < ce691c814bc7a3c30c220ffb5b7422715458fd9b (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < 05df1b1dff8f197f1c275b57ccb2ca33021df552 (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < 580b3189c1972aff0f993837567d36392e9d981b (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < 597cf9748c3477bf61bc35f0634129f56764ad24 (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < 9995909615c3431a5304c1210face5f268d24dba (git)
Affected: 066a3b5b2346febf9a655b444567b7138e3bb939 , < 2e95c4384438adeaa772caa560244b1a2efef816 (git)
Create a notification for this product.
Linux Linux Affected: 2.6.25
Unaffected: 0 , < 2.6.25 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.171 , ≤ 5.15.* (semver)
Unaffected: 6.1.116 , ≤ 6.1.* (semver)
Unaffected: 6.6.60 , ≤ 6.6.* (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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      "id": "CVE-2024-53057",
      "lastModified": "2024-12-11T15:15:17.757",
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      "published": "2024-11-19T18:15:25.700",
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{\"status\": \"affected\", \"version\": \"066a3b5b2346febf9a655b444567b7138e3bb939\", \"lessThan\": \"580b3189c1972aff0f993837567d36392e9d981b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"066a3b5b2346febf9a655b444567b7138e3bb939\", \"lessThan\": \"597cf9748c3477bf61bc35f0634129f56764ad24\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"066a3b5b2346febf9a655b444567b7138e3bb939\", \"lessThan\": \"9995909615c3431a5304c1210face5f268d24dba\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"066a3b5b2346febf9a655b444567b7138e3bb939\", \"lessThan\": \"2e95c4384438adeaa772caa560244b1a2efef816\", \"versionType\": \"git\"}], \"programFiles\": [\"net/sched/sch_api.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.25\"}, {\"status\": \"unaffected\", 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\"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/sched/sch_api.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e7f9a6f97eb067599a74f3bcb6761976b0ed303e\"}, {\"url\": \"https://git.kernel.org/stable/c/dbe778b08b5101df9e89bc06e0a3a7ecd2f4ef20\"}, {\"url\": \"https://git.kernel.org/stable/c/ce691c814bc7a3c30c220ffb5b7422715458fd9b\"}, {\"url\": \"https://git.kernel.org/stable/c/05df1b1dff8f197f1c275b57ccb2ca33021df552\"}, {\"url\": \"https://git.kernel.org/stable/c/580b3189c1972aff0f993837567d36392e9d981b\"}, {\"url\": \"https://git.kernel.org/stable/c/597cf9748c3477bf61bc35f0634129f56764ad24\"}, {\"url\": \"https://git.kernel.org/stable/c/9995909615c3431a5304c1210face5f268d24dba\"}, {\"url\": \"https://git.kernel.org/stable/c/2e95c4384438adeaa772caa560244b1a2efef816\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been 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The proper fix is to stop when parent\\nTC_H_ROOT is reached because the only way to retrieve ingress is when a\\nhierarchy which does not contain a ffff: major handle call into\\nqdisc_lookup with TC_H_MAJ(TC_H_ROOT).\\n\\nIn the scenario where major ffff: is an egress qdisc in any of the tree\\nlevels, the updates will also propagate to TC_H_ROOT, which then the\\niteration must stop.\\n\\n\\n net/sched/sch_api.c | 2 +-\\n 1 file changed, 1 insertion(+), 1 deletion(-)\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.229\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.171\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.116\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.60\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.7\", \"versionStartIncluding\": \"2.6.25\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"2.6.25\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:49:58.196Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-53057\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T12:01:11.546Z\", \"dateReserved\": \"2024-11-19T17:17:24.974Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-19T17:19:40.284Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.