CVE-2024-50136 (GCVE-0-2024-50136)

Vulnerability from cvelistv5 – Published: 2024-11-05 17:11 – Updated: 2025-11-03 22:25
VLAI?
Title
net/mlx5: Unregister notifier on eswitch init failure
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Unregister notifier on eswitch init failure It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort: [ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] <TASK> [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0aa1e83a20f12e9eaad32f72212ebc7fe0c29c95 , < e58fb7ddbab6635191c26dea1af26b91cce00866 (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 9f2ccb6f3888bec45c00121ee43e4e72423b12c1 (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 599147722c5778c96292e2fbff4103abbdb45b1f (git)
Affected: 7624e58a8b3a251e3e5108b32f2183b34453db32 , < 1da9cfd6c41c2e6bbe624d0568644e1521c33e12 (git)
Affected: dc426bd9d813aa5754ce35adaa6f97f0585c06fc (git)
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    Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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__warn+0x7c/0x110\\n[  682.611050]  ? notifier_chain_register+0x3e/0x90\\n[  682.611556]  ? report_bug+0x148/0x170\\n[  682.611977]  ? handle_bug+0x36/0x70\\n[  682.612384]  ? exc_invalid_op+0x13/0x60\\n[  682.612817]  ? asm_exc_invalid_op+0x16/0x20\\n[  682.613284]  ? notifier_chain_register+0x3e/0x90\\n[  682.613789]  atomic_notifier_chain_register+0x25/0x40\\n[  682.614322]  mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core]\\n[  682.614965]  mlx5_eswitch_enable+0xc9/0x100 [mlx5_core]\\n[  682.615551]  mlx5_device_enable_sriov+0x25/0x340 [mlx5_core]\\n[  682.616170]  mlx5_core_sriov_configure+0x50/0x170 [mlx5_core]\\n[  682.616789]  sriov_numvfs_store+0xb0/0x1b0\\n[  682.617248]  kernfs_fop_write_iter+0x117/0x1a0\\n[  682.617734]  vfs_write+0x231/0x3f0\\n[  682.618138]  ksys_write+0x63/0xe0\\n[  682.618536]  do_syscall_64+0x4c/0x100\\n[  682.618958]  entry_SYSCALL_64_after_hwframe+0x4b/0x53\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.115\", \"versionStartIncluding\": \"6.1.60\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.59\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.6\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.5.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T12:59:36.303Z\"}}}",
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.