{"id":"CVE-2026-23329","title":"libie: don't unroll if fwlog isn't supported","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibie: don't unroll if fwlog isn't supported\n\nThe libie_fwlog_deinit() function can be called during driver unload\neven when firmware logging was never properly initial…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 0138d1cdb19fa49181a5aaba32427f1787cb3935","Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 460c56ecbef57684aad1d6af525b89dcd3565701","Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 636cc3bd12f499c74eaf5dc9a7d5b832f1bb24ed","Linux 6.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:27:02.087445Z"},"published":"2026-03-25","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:33:39.108Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23329","references":[{"url":"https://git.kernel.org/stable/c/0138d1cdb19fa49181a5aaba32427f1787cb3935"},{"url":"https://git.kernel.org/stable/c/460c56ecbef57684aad1d6af525b89dcd3565701"},{"url":"https://git.kernel.org/stable/c/636cc3bd12f499c74eaf5dc9a7d5b832f1bb24ed"}],"tags":["cve.org"],"epss":0.00125,"epssPercentile":0.02252,"ingestedAt":"2026-11-05T22:38:32.117Z","slug":"CVE-2026-23329","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nlibie: don't unroll if fwlog isn't supported\n\nThe libie_fwlog_deinit() function can be called during driver unload\neven when firmware logging was never properly initialized. This led to call\ntrace:\n\n[  148.576156] Oops: Oops: 0000 [#1] SMP NOPTI\n[  148.576167] CPU: 80 UID: 0 PID: 12843 Comm: rmmod Kdump: loaded Not tainted 6.17.0-rc7next-queue-3oct-01915-g06d79d51cf51 #1 PREEMPT(full)\n[  148.576177] Hardware name: HPE ProLiant DL385 Gen10 Plus/ProLiant DL385 Gen10 Plus, BIOS A42 07/18/2020\n[  148.576182] RIP: 0010:__dev_printk+0x16/0x70\n[  148.576196] Code: 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 55 41 54 49 89 d4 55 48 89 fd 53 48 85 f6 74 3c <4c> 8b 6e 50 48 89 f3 4d 85 ed 75 03 4c 8b 2e 48 89 df e8 f3 27 98\n[  148.576204] RSP: 0018:ffffd2fd7ea17a48 EFLAGS: 00010202\n[  148.576211] RAX: ffffd2fd7ea17aa0 RBX: ffff8eb288ae2000 RCX: 0000000000000000\n[  148.576217] RDX: ffffd2fd7ea17a70 RSI: 00000000000000c8 RDI: ffffffffb68d3d88\n[  148.576222] RBP: ffffffffb68d3d88 R08: 0000000000000000 R09: 0000000000000000\n[  148.576227] R10: 00000000000000c8 R11: ffff8eb2b1a49400 R12: ffffd2fd7ea17a70\n[  148.576231] R13: ffff8eb3141fb000 R14: ffffffffc1215b48 R15: ffffffffc1215bd8\n[  148.576236] FS:  00007f5666ba6740(0000) GS:ffff8eb2472b9000(0000) knlGS:0000000000000000\n[  148.576242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  148.576247] CR2: 0000000000000118 CR3: 000000011ad17000 CR4: 0000000000350ef0\n[  148.576252] Call Trace:\n[  148.576258]  <TASK>\n[  148.576269]  _dev_warn+0x7c/0x96\n[  148.576290]  libie_fwlog_deinit+0x112/0x117 [libie_fwlog]\n[  148.576303]  ixgbe_remove+0x63/0x290 [ixgbe]\n[  148.576342]  pci_device_remove+0x42/0xb0\n[  148.576354]  device_release_driver_internal+0x19c/0x200\n[  148.576365]  driver_detach+0x48/0x90\n[  148.576372]  bus_remove_driver+0x6d/0xf0\n[  148.576383]  pci_unregister_driver+0x2e/0xb0\n[  148.576393]  ixgbe_exit_module+0x1c/0xd50 [ixgbe]\n[  148.576430]  __do_sys_delete_module.isra.0+0x1bc/0x2e0\n[  148.576446]  do_syscall_64+0x7f/0x980\n\nIt can be reproduced by trying to unload ixgbe driver in recovery mode.\n\nFix that by checking if fwlog is supported before doing unroll.\n\n## Affected\n\n- `Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 0138d1cdb19fa49181a5aaba32427f1787cb3935`\n- `Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 460c56ecbef57684aad1d6af525b89dcd3565701`\n- `Linux >= 641585bc978e0a1170ca8f12fbb1468b3874a2db < 636cc3bd12f499c74eaf5dc9a7d5b832f1bb24ed`\n- `Linux 6.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}