🛡️ AZL-64835 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2025-38246 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved:

bnxt: properly flush XDP redirect lists

We encountered following crash when testing a XDP_REDIRECT feature

in production:

[56251.579676] list_add corruption. next->prev should be prev (ffff93120dd40f30), but was ffffb301ef3a6740. (next=ffff93120dd

40f30).

[56251.601413] ------------[ cut here ]------------

[56251.611357] kernel BUG at lib/list_debug.c:29!

[56251.621082] Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI

[56251.632073] CPU: 111 UID: 0 PID: 0 Comm: swapper/111 Kdump: loaded Tainted: P O 6.12.33-cloudflare-2025.6.

3 #1

[56251.653155] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE

[56251.663877] Hardware name: MiTAC GC68B-B8032-G11P6-GPU/S8032GM-HE-CFR, BIOS V7.020.B10-sig 01/22/2025

[56251.682626] RIP: 0010:__list_add_valid_or_report+0x4b/0xa0

[56251.693203] Code: 0e 48 c7 c7 68 e7 d9 97 e8 42 16 fe ff 0f 0b 48 8b 52 08 48 39 c2 74 14 48 89 f1 48 c7 c7 90 e7 d9 97 48

89 c6 e8 25 16 fe ff <0f> 0b 4c 8b 02 49 39 f0 74 14 48 89 d1 48 c7 c7 e8 e7 d9 97 4c 89

[56251.725811] RSP: 0018:ffff93120dd40b80 EFLAGS: 00010246

[56251.736094] RAX: 0000000000000075 RBX: ffffb301e6bba9d8 RCX: 0000000000000000

[56251.748260] RDX: 0000000000000000 RSI: ffff9149afda0b80 RDI: ffff9149afda0b80

[56251.760349] RBP: ffff9131e49c8000 R08: 0000000000000000 R09: ffff93120dd40a18

[56251.772382] R10: ffff9159cf2ce1a8 R11: 0000000000000003 R12: ffff911a80850000

[56251.784364] R13: ffff93120fbc7000 R14: 0000000000000010 R15: ffff9139e7510e40

[56251.796278] FS: 0000000000000000(0000) GS:ffff9149afd80000(0000) knlGS:0000000000000000

[56251.809133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

[56251.819561] CR2: 00007f5e85e6f300 CR3: 00000038b85e2006 CR4: 0000000000770ef0

[56251.831365] PKRU: 55555554

[56251.838653] Call Trace:

[56251.845560] <IRQ>

[56251.851943] cpu_map_enqueue.cold+0x5/0xa

[56251.860243] xdp_do_redirect+0x2d9/0x480

[56251.868388] bnxt_rx_xdp+0x1d8/0x4c0 [bnxt_en]

[56251.877028] bnxt_rx_pkt+0x5f7/0x19b0 [bnxt_en]

[56251.885665] ? cpu_max_write+0x1e/0x100

[56251.893510] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.902276] __bnxt_poll_work+0x190/0x340 [bnxt_en]

[56251.911058] bnxt_poll+0xab/0x1b0 [bnxt_en]

[56251.919041] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.927568] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.935958] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.944250] __napi_poll+0x2b/0x160

[56251.951155] bpf_trampoline_6442548651+0x79/0x123

[56251.959262] __napi_poll+0x5/0x160

[56251.966037] net_rx_action+0x3d2/0x880

[56251.973133] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.981265] ? srso_alias_return_thunk+0x5/0xfbef5

[56251.989262] ? __hrtimer_run_queues+0x162/0x2a0

[56251.996967] ? srso_alias_return_thunk+0x5/0xfbef5

[56252.004875] ? srso_alias_return_thunk+0x5/0xfbef5

[56252.012673] ? bnxt_msix+0x62/0x70 [bnxt_en]

[56252.019903] handle_softirqs+0xcf/0x270

[56252.026650] irq_exit_rcu+0x67/0x90

[56252.032933] common_interrupt+0x85/0xa0

[56252.039498] </IRQ>

[56252.044246] <TASK>

[56252.048935] asm_common_interrupt+0x26/0x40

[56252.055727] RIP: 0010:cpuidle_enter_state+0xb8/0x420

[56252.063305] Code: dc 01 00 00 e8 f9 79 3b ff e8 64 f7 ff ff 49 89 c5 0f 1f 44 00 00 31 ff e8 a5 32 3a ff 45 84 ff 0f 85 ae

01 00 00 fb 45 85 f6 <0f> 88 88 01 00 00 48 8b 04 24 49 63 ce 4c 89 ea 48 6b f1 68 48 29

[56252.088911] RSP: 0018:ffff93120c97fe98 EFLAGS: 00000202

[56252.096912] RAX: ffff9149afd80000 RBX: ffff9141d3a72800 RCX: 0000000000000000

[56252.106844] RDX: 00003329176c6b98 RSI: ffffffe36db3fdc7 RDI: 0000000000000000

[56252.116733] RBP: 0000000000000002 R08: 0000000000000002 R09: 000000000000004e

[56252.126652] R10: ffff9149afdb30c4 R11: 071c71c71c71c71c R12: ffffffff985ff860

[56252.136637] R13: 00003329176c6b98 R14: 0000000000000002 R15: 0000000000000000

[56252.146667] ? cpuidle_enter_state+0xab/0x420

[56252.153909] cpuidle_enter+0x2d/0x40

[56252.160360] do_idle+0x176/0x1c0

[56252.166456

---truncated---

Affected software

AZL-64835 is recorded against 1 package.

  • kernel (fixed in 6.6.104.2-1)

Timeline and source

Published on 9 July 2025 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-07-09
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — 6.6.104.2-1

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