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CVE-2026-80790

Medienbericht

nvmet-fc: fix invalid free in LS IOD error path

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

nvmet-fc: fix invalid free in LS IOD error path

nvmet_fc_alloc_ls_iodlist() advances iod while initializing the LS IOD
array. If an rqstbuf allocation or response buffer DMA mapping fails,
the unwind loop decrements iod past the start of the array. The final
kfree(iod) therefore frees an address before the allocated object.

This can be reproduced with nvme-fcloop and failslab by setting
fail-nth to 6 before creating a target port. KASAN reports:

  BUG: KASAN: invalid-free in nvmet_fc_register_targetport
  Free of addr ffff88816cf8ff48 by task nvmet_fail_nth/9552

Free the original allocation base stored in tgtport->iod instead. With
this fix applied, the same sysfs write with fail-nth=6 returns -ENOMEM
without any KASAN report.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < b189c6e408896ccc23d2e76d7738847cdebf1532
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < 449e9c4f8db84ad9d9bb288029b230bcf590faa2
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < 1a8f007faefe8c226ec65896589f8d59b0a8d5a5
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < d094582cce9c08516d714e7436a8f3b9211dda90
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < 371fb1bf902adaa59be32bd7e904a5317e604fd0
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < 8bce9cd08aae4283badf8ddc11fbb6f57b75a81e
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < bb9489f0dce58da730d3479588d6710d7a2c1b45
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < 94334ea92f4d7535f66f86e33681efa94827eddc
Status affected
Version c53432030d86429dc9fe5adc3d68cb9d1343b0b2
Version < ba98d6796d12258e837ece065d2ecb59d76ce4ff
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.10
Status affected
Version 0
Version < 4.10
Status unaffected
Version <= 5.10.*
Version 5.10.267
Status unaffected
Version <= 5.15.*
Version 5.15.218
Status unaffected
Version <= 6.1.*
Version 6.1.185
Status unaffected
Version <= 6.6.*
Version 6.6.154
Status unaffected
Version <= 6.12.*
Version 6.12.106
Status unaffected
Version <= 6.18.*
Version 6.18.47
Status unaffected
Version <= 7.1.*
Version 7.1.11
Status unaffected
Version <= 7.2.*
Version 7.2.1
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.093
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
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VulnDex Intel
Media Report
08.09.2026 20:38
https://git.kernel.org/stable/c/b189c6e408896ccc23d2e76d7738847cdebf1532
https://git.kernel.org/stable/c/449e9c4f8db84ad9d9bb288029b230bcf590faa2
https://git.kernel.org/stable/c/1a8f007faefe8c226ec65896589f8d59b0a8d5a5
https://git.kernel.org/stable/c/d094582cce9c08516d714e7436a8f3b9211dda90
https://git.kernel.org/stable/c/371fb1bf902adaa59be32bd7e904a5317e604fd0
https://git.kernel.org/stable/c/8bce9cd08aae4283badf8ddc11fbb6f57b75a81e
https://git.kernel.org/stable/c/bb9489f0dce58da730d3479588d6710d7a2c1b45
https://git.kernel.org/stable/c/94334ea92f4d7535f66f86e33681efa94827eddc
https://git.kernel.org/stable/c/ba98d6796d12258e837ece065d2ecb59d76ce4ff