{"id":"CVE-2024-53209","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix receive ring space parameters when XDP is active\n\nThe MTU setting at the time an XDP multi-buffer is attached\ndetermines whether the aggregation ring will …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix receive ring space parameters when XDP is active\n\nThe MTU setting at the time an XDP multi-buffer is attached\ndetermines whether the aggregation ring will …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.1.45, < 6.2","linux_kernel >= 6.4.10, < 6.11.11","linux_kernel >= 6.12, < 6.12.2"],"patched":["linux_kernel 6.12.2"],"published":"2024-12-27","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:01.300","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-53209","references":[{"url":"https://git.kernel.org/stable/c/3051a77a09dfe3022aa012071346937fdf059033","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7f306c651feab2f3689185f60b94e72b573255db","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/84353386762a0a16dd444ead76c012e167d89b41","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7fd784d7c6a1bd927a23e0d06f09a776ee3889b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf54a7660fc8d2166f41ff1d67a643b15d8b2250","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00626,"epssPercentile":0.49802,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-15T21:40:59.266506Z"},"ingestedAt":"2026-10-15T22:48:25.443Z","slug":"CVE-2024-53209","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix receive ring space parameters when XDP is active\n\nThe MTU setting at the time an XDP multi-buffer is attached\ndetermines whether the aggregation ring will be used and the\nrx_skb_func handler.  This is done in bnxt_set_rx_skb_mode().\n\nIf the MTU is later changed, the aggregation ring setting may need\nto be changed and it may become out-of-sync with the settings\ninitially done in bnxt_set_rx_skb_mode().  This may result in\nrandom memory corruption and crashes as the HW may DMA data larger\nthan the allocated buffer size, such as:\n\nBUG: kernel NULL pointer dereference, address: 00000000000003c0\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 17 PID: 0 Comm: swapper/17 Kdump: loaded Tainted: G S         OE      6.1.0-226bf9805506 #1\nHardware name: Wiwynn Delta Lake PVT BZA.02601.0150/Delta Lake-Class1, BIOS F0E_3A12 08/26/2021\nRIP: 0010:bnxt_rx_pkt+0xe97/0x1ae0 [bnxt_en]\nCode: 8b 95 70 ff ff ff 4c 8b 9d 48 ff ff ff 66 41 89 87 b4 00 00 00 e9 0b f7 ff ff 0f b7 43 0a 49 8b 95 a8 04 00 00 25 ff 0f 00 00 <0f> b7 14 42 48 c1 e2 06 49 03 95 a0 04 00 00 0f b6 42 33f\nRSP: 0018:ffffa19f40cc0d18 EFLAGS: 00010202\nRAX: 00000000000001e0 RBX: ffff8e2c805c6100 RCX: 00000000000007ff\nRDX: 0000000000000000 RSI: ffff8e2c271ab990 RDI: ffff8e2c84f12380\nRBP: ffffa19f40cc0e48 R08: 000000000001000d R09: 974ea2fcddfa4cbf\nR10: 0000000000000000 R11: ffffa19f40cc0ff8 R12: ffff8e2c94b58980\nR13: ffff8e2c952d6600 R14: 0000000000000016 R15: ffff8e2c271ab990\nFS:  0000000000000000(0000) GS:ffff8e3b3f840000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000000003c0 CR3: 0000000e8580a004 CR4: 00000000007706e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <IRQ>\n __bnxt_poll_work+0x1c2/0x3e0 [bnxt_en]\n\nTo address the issue, we now call bnxt_set_rx_skb_mode() within\nbnxt_change_mtu() to properly set the AGG rings configuration and\nupdate rx_skb_func based on the new MTU value.\nAdditionally, BNXT_FLAG_NO_AGG_RINGS is cleared at the beginning of\nbnxt_set_rx_skb_mode() to make sure it gets set or cleared based on\nthe current MTU.\n\n## Affected\n\n- `linux_kernel >= 6.1.45, < 6.2`\n- `linux_kernel >= 6.4.10, < 6.11.11`\n- `linux_kernel >= 6.12, < 6.12.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.12.2`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}