CVE-2024-26834 (GCVE-0-2024-26834)
Vulnerability from cvelistv5
Published
2024-04-17 10:10
Modified
2025-05-04 08:57
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_flow_offload: release dst in case direct xmit path is used Direct xmit does not use it since it calls dev_queue_xmit() to send packets, hence it calls dst_release(). kmemleak reports: unreferenced object 0xffff88814f440900 (size 184): comm "softirq", pid 0, jiffies 4294951896 hex dump (first 32 bytes): 00 60 5b 04 81 88 ff ff 00 e6 e8 82 ff ff ff ff .`[............. 21 0b 50 82 ff ff ff ff 00 00 00 00 00 00 00 00 !.P............. backtrace (crc cb2bf5d6): [<000000003ee17107>] kmem_cache_alloc+0x286/0x340 [<0000000021a5de2c>] dst_alloc+0x43/0xb0 [<00000000f0671159>] rt_dst_alloc+0x2e/0x190 [<00000000fe5092c9>] __mkroute_output+0x244/0x980 [<000000005fb96fb0>] ip_route_output_flow+0xc0/0x160 [<0000000045367433>] nf_ip_route+0xf/0x30 [<0000000085da1d8e>] nf_route+0x2d/0x60 [<00000000d1ecd1cb>] nft_flow_route+0x171/0x6a0 [nft_flow_offload] [<00000000d9b2fb60>] nft_flow_offload_eval+0x4e8/0x700 [nft_flow_offload] [<000000009f447dbb>] expr_call_ops_eval+0x53/0x330 [nf_tables] [<00000000072e1be6>] nft_do_chain+0x17c/0x840 [nf_tables] [<00000000d0551029>] nft_do_chain_inet+0xa1/0x210 [nf_tables] [<0000000097c9d5c6>] nf_hook_slow+0x5b/0x160 [<0000000005eccab1>] ip_forward+0x8b6/0x9b0 [<00000000553a269b>] ip_rcv+0x221/0x230 [<00000000412872e5>] __netif_receive_skb_one_core+0xfe/0x110
References
Impacted products
Vendor Product Version
Linux Linux Version: 7c71b831220edeab7ce603d818dc1708d9ea4137
Version: 9c5662e95a8dcc232c3ef4deb21033badcd260f6
Version: fa502c86566680ac62bc28ec883a069bf7a2aa5e
Version: fa502c86566680ac62bc28ec883a069bf7a2aa5e
Version: fa502c86566680ac62bc28ec883a069bf7a2aa5e
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dst_alloc+0x43/0xb0\\n    [\u003c00000000f0671159\u003e] rt_dst_alloc+0x2e/0x190\\n    [\u003c00000000fe5092c9\u003e] __mkroute_output+0x244/0x980\\n    [\u003c000000005fb96fb0\u003e] ip_route_output_flow+0xc0/0x160\\n    [\u003c0000000045367433\u003e] nf_ip_route+0xf/0x30\\n    [\u003c0000000085da1d8e\u003e] nf_route+0x2d/0x60\\n    [\u003c00000000d1ecd1cb\u003e] nft_flow_route+0x171/0x6a0 [nft_flow_offload]\\n    [\u003c00000000d9b2fb60\u003e] nft_flow_offload_eval+0x4e8/0x700 [nft_flow_offload]\\n    [\u003c000000009f447dbb\u003e] expr_call_ops_eval+0x53/0x330 [nf_tables]\\n    [\u003c00000000072e1be6\u003e] nft_do_chain+0x17c/0x840 [nf_tables]\\n    [\u003c00000000d0551029\u003e] nft_do_chain_inet+0xa1/0x210 [nf_tables]\\n    [\u003c0000000097c9d5c6\u003e] nf_hook_slow+0x5b/0x160\\n    [\u003c0000000005eccab1\u003e] ip_forward+0x8b6/0x9b0\\n    [\u003c00000000553a269b\u003e] ip_rcv+0x221/0x230\\n    [\u003c00000000412872e5\u003e] 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\"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-17T17:41:37.747801Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-17T17:41:38.743Z\"}}], \"cna\": {\"title\": \"netfilter: nft_flow_offload: release dst in case direct xmit path is used\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7c71b831220edeab7ce603d818dc1708d9ea4137\", \"lessThan\": \"13b57b5cd591d5b22f9bbf047b2922967de411f3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9c5662e95a8dcc232c3ef4deb21033badcd260f6\", \"lessThan\": \"a6cafdb49a7bbf4a88367db209703eee6941e023\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fa502c86566680ac62bc28ec883a069bf7a2aa5e\", \"lessThan\": \"9256ab9232e35a16af9c30fa4e522e6d1bd3605a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fa502c86566680ac62bc28ec883a069bf7a2aa5e\", \"lessThan\": \"2d17cf10179a7de6d8f0128168b84ad0b4a1863f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fa502c86566680ac62bc28ec883a069bf7a2aa5e\", \"lessThan\": \"8762785f459be1cfe6fcf7285c123aad6a3703f0\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netfilter/nf_flow_table_core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/nf_flow_table_core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3\"}, {\"url\": \"https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023\"}, {\"url\": \"https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a\"}, {\"url\": \"https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f\"}, {\"url\": \"https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nft_flow_offload: release dst in case direct xmit path is used\\n\\nDirect xmit does not use it since it calls dev_queue_xmit() to send\\npackets, hence it calls dst_release().\\n\\nkmemleak reports:\\n\\nunreferenced object 0xffff88814f440900 (size 184):\\n  comm \\\"softirq\\\", pid 0, jiffies 4294951896\\n  hex dump (first 32 bytes):\\n    00 60 5b 04 81 88 ff ff 00 e6 e8 82 ff ff ff ff  .`[.............\\n    21 0b 50 82 ff ff ff ff 00 00 00 00 00 00 00 00  !.P.............\\n  backtrace (crc cb2bf5d6):\\n    [\u003c000000003ee17107\u003e] kmem_cache_alloc+0x286/0x340\\n    [\u003c0000000021a5de2c\u003e] dst_alloc+0x43/0xb0\\n    [\u003c00000000f0671159\u003e] rt_dst_alloc+0x2e/0x190\\n    [\u003c00000000fe5092c9\u003e] __mkroute_output+0x244/0x980\\n    [\u003c000000005fb96fb0\u003e] ip_route_output_flow+0xc0/0x160\\n    [\u003c0000000045367433\u003e] nf_ip_route+0xf/0x30\\n    [\u003c0000000085da1d8e\u003e] nf_route+0x2d/0x60\\n    [\u003c00000000d1ecd1cb\u003e] nft_flow_route+0x171/0x6a0 [nft_flow_offload]\\n    [\u003c00000000d9b2fb60\u003e] nft_flow_offload_eval+0x4e8/0x700 [nft_flow_offload]\\n    [\u003c000000009f447dbb\u003e] expr_call_ops_eval+0x53/0x330 [nf_tables]\\n    [\u003c00000000072e1be6\u003e] nft_do_chain+0x17c/0x840 [nf_tables]\\n    [\u003c00000000d0551029\u003e] nft_do_chain_inet+0xa1/0x210 [nf_tables]\\n    [\u003c0000000097c9d5c6\u003e] nf_hook_slow+0x5b/0x160\\n    [\u003c0000000005eccab1\u003e] ip_forward+0x8b6/0x9b0\\n    [\u003c00000000553a269b\u003e] ip_rcv+0x221/0x230\\n    [\u003c00000000412872e5\u003e] __netif_receive_skb_one_core+0xfe/0x110\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.19\", \"versionStartIncluding\": \"6.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.7\", \"versionStartIncluding\": \"6.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"6.5\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:57:34.639Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26834\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:57:34.639Z\", \"dateReserved\": \"2024-02-19T14:20:24.181Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T10:10:02.282Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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