github - ghsa-hmgj-4596-mmpr

GHSA-HMGJ-4596-MMPR

Vulnerability from github – Published: 2024-06-19 15:30 – Updated: 2024-08-27 21:31

Details

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

eth: sungem: remove .ndo_poll_controller to avoid deadlocks

Erhard reports netpoll warnings from sungem:

netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c

gem_poll_controller() disables interrupts, which may sleep. We can't sleep in netpoll, it has interrupts disabled completely. Strangely, gem_poll_controller() doesn't even poll the completions, and instead acts as if an interrupt has fired so it just schedules NAPI and exits. None of this has been necessary for years, since netpoll invokes NAPI directly.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38597"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-19T14:15:19Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-hmgj-4596-mmpr",
  "modified": "2024-08-27T21:31:13Z",
  "published": "2024-06-19T15:30:54Z",
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38597"
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CVE-2024-38597 (GCVE-0-2024-38597)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:45 – Updated: 2025-05-04 09:14

Summary

In the Linux kernel, the following vulnerability has been resolved: eth: sungem: remove .ndo_poll_controller to avoid deadlocks Erhard reports netpoll warnings from sungem: netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c gem_poll_controller() disables interrupts, which may sleep. We can't sleep in netpoll, it has interrupts disabled completely. Strangely, gem_poll_controller() doesn't even poll the completions, and instead acts as if an interrupt has fired so it just schedules NAPI and exits. None of this has been necessary for years, since netpoll invokes NAPI directly.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e22b23f5888a065d0…
	https://git.kernel.org/stable/c/fbeeb55dbb33d5621…
	https://git.kernel.org/stable/c/476adb3bbbd7886e8…
	https://git.kernel.org/stable/c/5de5aeb98f9a000ad…
	https://git.kernel.org/stable/c/faf94f1eb8a34b2c3…
	https://git.kernel.org/stable/c/6400d205fbbcbcf9b…
	https://git.kernel.org/stable/c/ac0a230f719b02432…

Impacted products

Vendor

Product

Version

Linux

Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < e22b23f5888a065d084e87db1eec639c445e677f (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < fbeeb55dbb33d562149c57e794f06b7414e44289 (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < 476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6 (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < 5de5aeb98f9a000adb0db184e32765e4815d860b (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < faf94f1eb8a34b2c31b2042051ef36f63420ecce (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < 6400d205fbbcbcf9b8510157e1f379c1d7e2e937 (git)
Affected: fe09bb619096a0aa139210748ddc668c2dbe2308 , < ac0a230f719b02432d8c7eba7615ebd691da86f4 (git)

Linux

Affected: 3.1
Unaffected: 0 , < 3.1 (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-HMGJ-4596-MMPR

CVE-2024-38597 (GCVE-0-2024-38597)

Tags

Sightings

Nomenclature