5.5

CVE-2024-38597: eth: sungem: remove .ndo_poll_controller to avoid deadlocks

Modified
AliasesUBUNTU-CVE-2024-38597DEBIAN-CVE-2024-38597
Published 19-06-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-38597 is a medium (CVSS 5.5) Improper Locking vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 36 · Related 33
DSA-5730-1MGASA-2024-0263MGASA-2024-0266SUSE-SU-2024:2360-1SUSE-SU-2024:2372-1SUSE-SU-2024:2381-1

Timeline

  1. 19-06-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.18% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu128 products
  • linuxAll versions (No fix recorded) | < 4.4.0-263.297 | < 4.15.0-233.245 | < 5.4.0-204.224 | < 5.15.0-121.131 | < 6.8.0-40.40
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1140.146 | < 4.4.0-1178.193 | < 4.15.0-1177.190 | < 5.4.0-1137.147 | < 5.15.0-1069.75 | < 6.8.0-1013.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < e22b23f5888a065d084e87db1eec639c445e677f | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < fbeeb55dbb33d562149c57e794f06b7414e44289 | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < 476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6 | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < 5de5aeb98f9a000adb0db184e32765e4815d860b | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < faf94f1eb8a34b2c31b2042051ef36f63420ecce | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < 6400d205fbbcbcf9b8510157e1f379c1d7e2e937 | ≥ fe09bb619096a0aa139210748ddc668c2dbe2308, < ac0a230f719b02432d8c7eba7615ebd691da86f4 | 3.1
  • linux_kernel≥ 3.1, < 5.10.219 | ≥ 5.11, < 5.15.161 | ≥ 5.16, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.8.12 | ≥ 6.9, < 6.9.3
Debian1 product
  • linux< 6.1.94-1 | < 6.8.12-1

3 vendors · 131 products

References

33 links
Show all 33 references