CVE-2024-26595 (GCVE-0-2024-26595)

Vulnerability from cvelistv5 – Published: 2024-02-23 14:46 – Updated: 2025-11-03 20:36
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path When calling mlxsw_sp_acl_tcam_region_destroy() from an error path after failing to attach the region to an ACL group, we hit a NULL pointer dereference upon 'region->group->tcam' [1]. Fix by retrieving the 'tcam' pointer using mlxsw_sp_acl_to_tcam(). [1] BUG: kernel NULL pointer dereference, address: 0000000000000000 [...] RIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0 [...] Call Trace: mlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20 mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0 mlxsw_sp_acl_rule_add+0x47/0x240 mlxsw_sp_flower_replace+0x1a9/0x1d0 tc_setup_cb_add+0xdc/0x1c0 fl_hw_replace_filter+0x146/0x1f0 fl_change+0xc17/0x1360 tc_new_tfilter+0x472/0xb90 rtnetlink_rcv_msg+0x313/0x3b0 netlink_rcv_skb+0x58/0x100 netlink_unicast+0x244/0x390 netlink_sendmsg+0x1e4/0x440 ____sys_sendmsg+0x164/0x260 ___sys_sendmsg+0x9a/0xe0 __sys_sendmsg+0x7a/0xc0 do_syscall_64+0x40/0xe0 entry_SYSCALL_64_after_hwframe+0x63/0x6b
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 22a677661f5624539d394f681276171f92d714df , < 75fa2d8b3c0175b519c99ace54ab8474cfd0077e (git)
Affected: 22a677661f5624539d394f681276171f92d714df , < 817840d125a370626895df269c50c923b79b0a39 (git)
Affected: 22a677661f5624539d394f681276171f92d714df , < d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f (git)
Affected: 22a677661f5624539d394f681276171f92d714df , < efeb7dfea8ee10cdec11b6b6ba4e405edbe75809 (git)
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    Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26595\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-23T15:15:09.443\",\"lastModified\":\"2025-11-03T21:16:07.867\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path\\n\\nWhen calling mlxsw_sp_acl_tcam_region_destroy() from an error path after\\nfailing to attach the region to an ACL group, we hit a NULL pointer\\ndereference upon \u0027region-\u003egroup-\u003etcam\u0027 [1].\\n\\nFix by retrieving the \u0027tcam\u0027 pointer using mlxsw_sp_acl_to_tcam().\\n\\n[1]\\nBUG: kernel NULL pointer dereference, address: 0000000000000000\\n[...]\\nRIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0\\n[...]\\nCall Trace:\\n mlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20\\n mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0\\n mlxsw_sp_acl_rule_add+0x47/0x240\\n mlxsw_sp_flower_replace+0x1a9/0x1d0\\n tc_setup_cb_add+0xdc/0x1c0\\n fl_hw_replace_filter+0x146/0x1f0\\n fl_change+0xc17/0x1360\\n tc_new_tfilter+0x472/0xb90\\n rtnetlink_rcv_msg+0x313/0x3b0\\n netlink_rcv_skb+0x58/0x100\\n netlink_unicast+0x244/0x390\\n netlink_sendmsg+0x1e4/0x440\\n ____sys_sendmsg+0x164/0x260\\n ___sys_sendmsg+0x9a/0xe0\\n __sys_sendmsg+0x7a/0xc0\\n do_syscall_64+0x40/0xe0\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mlxsw: espectro_acl_tcam: corrige la desreferencia del puntero NULL en la ruta de error Al llamar a mlxsw_sp_acl_tcam_region_destroy() desde una ruta de error despu\u00e9s de no poder adjuntar la regi\u00f3n a un grupo de ACL, alcanzamos una desreferencia del puntero NULL al \u0027regi\u00f3n-\u0026gt;grupo-\u0026gt;tcam\u0027 [1]. Solucione recuperando el puntero \u0027tcam\u0027 usando mlxsw_sp_acl_to_tcam(). [1] ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000000 [...] RIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0 [...] Seguimiento de llamadas: mlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20 mlxsw_sp_acl_tcam_ventry_add+0 x25/0xe0 mlxsw_sp_acl_rule_add+0x47/0x240 mlxsw_sp_flower_replace+0x1a9/0x1d0 tc_setup_cb_add+0xdc/0x1c0 fl_hw_replace_filter+0x146/0x1f0 fl_change+0xc17/0x1360 tc_new_tfilter+0x472/0xb90 rtnetlink_rcv_msg+0x313/0x3b 0 netlink_rcv_skb+0x58/0x100 netlink_unicast+0x244/0x390 netlink_sendmsg+0x1e4/0x440 ____sys_sendmsg+0x164/0x260 ___sys_sendmsg+0x9a/0xe0 __sys_sendmsg+0x7a/0xc0 do_syscall_64+0x40/0xe0 Entry_SYSCALL_64_after_hwframe+0x63/0x6b\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.11.0\",\"versionEndExcluding\":\"6.6.14\",\"matchCriteriaId\":\"3FE97FF0-A9B6-4327-98DC-6EC1764E8142\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.0\",\"versionEndExcluding\":\"6.7.2\",\"matchCriteriaId\":\"0EA3778C-730B-464C-8023-18CA6AC0B807\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/75fa2d8b3c0175b519c99ace54ab8474cfd0077e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/817840d125a370626895df269c50c923b79b0a39\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/efeb7dfea8ee10cdec11b6b6ba4e405edbe75809\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/817840d125a370626895df269c50c923b79b0a39\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/efeb7dfea8ee10cdec11b6b6ba4e405edbe75809\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/817840d125a370626895df269c50c923b79b0a39\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/efeb7dfea8ee10cdec11b6b6ba4e405edbe75809\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:36:56.580Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26595\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-02-23T16:34:10.081634Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:13.076Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"22a677661f5624539d394f681276171f92d714df\", \"lessThan\": \"75fa2d8b3c0175b519c99ace54ab8474cfd0077e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"22a677661f5624539d394f681276171f92d714df\", \"lessThan\": \"817840d125a370626895df269c50c923b79b0a39\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"22a677661f5624539d394f681276171f92d714df\", \"lessThan\": \"d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"22a677661f5624539d394f681276171f92d714df\", \"lessThan\": \"efeb7dfea8ee10cdec11b6b6ba4e405edbe75809\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.11\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.11\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/75fa2d8b3c0175b519c99ace54ab8474cfd0077e\"}, {\"url\": \"https://git.kernel.org/stable/c/817840d125a370626895df269c50c923b79b0a39\"}, {\"url\": \"https://git.kernel.org/stable/c/d0a1efe417c97a1e9b914056ee6b86f1ef75fe1f\"}, {\"url\": \"https://git.kernel.org/stable/c/efeb7dfea8ee10cdec11b6b6ba4e405edbe75809\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path\\n\\nWhen calling mlxsw_sp_acl_tcam_region_destroy() from an error path after\\nfailing to attach the region to an ACL group, we hit a NULL pointer\\ndereference upon \u0027region-\u003egroup-\u003etcam\u0027 [1].\\n\\nFix by retrieving the \u0027tcam\u0027 pointer using mlxsw_sp_acl_to_tcam().\\n\\n[1]\\nBUG: kernel NULL pointer dereference, address: 0000000000000000\\n[...]\\nRIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0\\n[...]\\nCall Trace:\\n mlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20\\n mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0\\n mlxsw_sp_acl_rule_add+0x47/0x240\\n mlxsw_sp_flower_replace+0x1a9/0x1d0\\n tc_setup_cb_add+0xdc/0x1c0\\n fl_hw_replace_filter+0x146/0x1f0\\n fl_change+0xc17/0x1360\\n tc_new_tfilter+0x472/0xb90\\n rtnetlink_rcv_msg+0x313/0x3b0\\n netlink_rcv_skb+0x58/0x100\\n netlink_unicast+0x244/0x390\\n netlink_sendmsg+0x1e4/0x440\\n ____sys_sendmsg+0x164/0x260\\n ___sys_sendmsg+0x9a/0xe0\\n __sys_sendmsg+0x7a/0xc0\\n do_syscall_64+0x40/0xe0\\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.14\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.2\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"4.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:51:50.559Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26595\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T20:36:56.580Z\", \"dateReserved\": \"2024-02-19T14:20:24.127Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-02-23T14:46:24.767Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

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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.