NVD

CVE-2026-68291 Detail

Received

This CVE record has recently been published to the CVE List and has been included within the NVD dataset.

Description

In the Linux kernel, the following vulnerability has been resolved: idpf: fix max_vport related crash on allocation error during init Set adapter->max_vports only after successful allocation of vports, netdevs and vport_config buffers. This fixes possible crashes on reset or rmmod, following failed allocation on init [ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102) [ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated [ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 320.416918] #PF: supervisor read access in kernel mode [ 320.416942] #PF: error_code(0x0000) - not-present page [ 320.416963] PGD 2099657067 P4D 0 [ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI ... [ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf] [ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20 [ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246 [ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c [ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000 [ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000 [ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20 [ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000 [ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0 [ 320.417385] PKRU: 55555554 [ 320.417398] Call Trace: [ 320.417412] <TASK> [ 320.417429] pci_device_remove+0x42/0xb0 [ 320.417459] device_release_driver_internal+0x1a9/0x210 [ 320.417492] driver_detach+0x4b/0x90 [ 320.417516] bus_remove_driver+0x70/0x100 [ 320.417539] pci_unregister_driver+0x2e/0xb0 [ 320.417564] __do_sys_delete_module.constprop.0+0x190/0x2f0 [ 320.417592] ? kmem_cache_free+0x31e/0x550 [ 320.417619] ? lockdep_hardirqs_on_prepare+0xde/0x190 [ 320.417644] ? do_syscall_64+0x38/0x6b0 [ 320.417665] do_syscall_64+0xc8/0x6b0 [ 320.417683] ? clear_bhb_loop+0x30/0x80 [ 320.417706] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 320.417727] RIP: 0033:0x7f963bb30beb

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e	kernel.org
https://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5	kernel.org

Weakness Enumeration

CWE-ID	CWE Name	Source

Change History

2 change records found show changes

CVE Modified by kernel.org 8/17/2026 1:18:31 AM

Action

Type

Old Value

New Value

Changed

Affected

[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5","versionType":"git","status":"affected"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"237f1f7653b8729169af11fae79f01b90d00b87e","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","versionType":"semver","status":"unaffected"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2-rc5","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]

[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5","versionType":"git","status":"affected"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"237f1f7653b8729169af11fae79f01b90d00b87e","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","versionType":"semver","status":"unaffected"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]

New CVE Received from kernel.org 8/10/2026 9:20:18 AM

Action	Type	New Value
Added	Description	Record truncated, showing 2048 of 2408 characters. View Entire Change Record In the Linux kernel, the following vulnerability has been resolved: idpf: fix max_vport related crash on allocation error during init Set adapter->max_vports only after successful allocation of vports, netdevs and vport_config buffers. This fixes possible crashes on reset or rmmod, following failed allocation on init [ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102) [ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated [ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 320.416918] #PF: supervisor read access in kernel mode [ 320.416942] #PF: error_code(0x0000) - not-present page [ 320.416963] PGD 2099657067 P4D 0 [ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI ... [ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf] [ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20 [ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246 [ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c [ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000 [ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000 [ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20 [ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000 [ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0 [ 320.417385] PKRU: 55555554 [ 320.417398] Call Trace: [ 320.417412] <TASK> [ 320.417429] pci_device_remove+0x42/0xb0 [ 320.417459] device_release_driver_internal+0x1a9/0x210 [ 320.417492] driver_detach+0x4b/0x90 [ 320.417516] bus_remove_driver+0x70/0x100 [ 320.417539] pci_unregister_driver+0x2e/0xb0 [ 320.417564] __do_sys_dele
Added	Reference	https://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e
Added	Reference	https://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5
Added	Affected	[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5","versionType":"git","status":"affected"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","lessThan":"237f1f7653b8729169af11fae79f01b90d00b87e","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","versionType":"semver","status":"unaffected"},{"version":"7.1.6","lessThanOrEqual":"7.1.","versionType":"semver","status":"unaffected"},{"version":"7.2-rc5","lessThanOrEqual":"","versionType":"original_commit_for_fix","status":"unaffected"}]}]

Quick Info

CVE Dictionary Entry:
CVE-2026-68291
NVD Published Date:
08/10/2026
NVD Last Modified:
08/17/2026
Source:
kernel.org

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2026-68291 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Change History

CVE Modified by kernel.org 8/17/2026 1:18:31 AM

New CVE Received from kernel.org 8/10/2026 9:20:18 AM

Quick Info