CVE-2024-26834
Vulnerability from cvelistv5
Published
2024-04-17 10:10
Modified
2024-12-19 08:48
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023
Impacted products
Vendor Product Version
Linux Linux Version: 6.5
Show details on NVD website

To clipboard 

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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] __netif_receive_skb_one_core+0xfe/0x110\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nft_flow_offload: libera dst en caso de que se use la ruta de xmit directa Direct xmit no la usa ya que llama a dev_queue_xmit() para enviar paquetes, por lo tanto llama a dst_release(). informes kmemleak: objeto sin referencia 0xffff88814f440900 (tama\u00f1o 184): comm \\\"softirq\\\", pid 0, jiffies 4294951896 volcado hexadecimal (primeros 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................. retroceso (crc cb2bf5d6): [ \u0026lt;000000003ee17107\u0026gt;] kmem_cache_alloc+0x286/0x340 [\u0026lt;0000000021a5de2c\u0026gt;] dst_alloc+0x43/0xb0 [\u0026lt;00000000f0671159\u0026gt;] rt_dst_alloc+0x2e/0x190 [\u0026lt;00000000fe50 92c9\u0026gt;] __mkroute_output+0x244/0x980 [\u0026lt;000000005fb96fb0\u0026gt;] ip_route_output_flow+0xc0/0x160 [ \u0026lt;0000000045367433\u0026gt;] nf_ip_route+0xf/0x30 [\u0026lt;0000000085da1d8e\u0026gt;] nf_route+0x2d/0x60 [\u0026lt;00000000d1ecd1cb\u0026gt;] nft_flow_route+0x171/0x6a0 [nft_flow_offload] 0000d9b2fb60\u0026gt;] nft_flow_offload_eval+0x4e8/0x700 [nft_flow_offload] [\u0026lt;000000009f447dbb\u0026gt;] expr_call_ops_eval+0x53/0x330 [nf_tables] [\u0026lt;00000000072e1be6\u0026gt;] nft_do_chain+0x17c/0x840 [nf_tables] [\u0026lt;00000000d0551029\u0026gt;] nft_do_chain_inet+0xa1/0x210 [nf_tables] [ \u0026lt;0000000097c9d5c6\u0026gt;] nf_hook_slow+0x5b/0x160 [\u0026lt;0000000005eccab1\u0026gt;] ip_forward +0x8b6/0x9b0 [\u0026lt;00000000553a269b\u0026gt;] ip_rcv+0x221/0x230 [\u0026lt;00000000412872e5\u0026gt;] __netif_receive_skb_one_core+0xfe/0x110\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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