CVE-2024-27052: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
Vulnerability summary
CVE-2024-27052 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 23.1% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 27 · Related 20Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work The workqueue might still be running, when the driver is stopped. To avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.30% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linuxAll versions (No fix recorded) | < 5.15.0-112.122 | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1063.69 | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.85-1 | < 6.7.12-1
- debian_linuxEOL10.0
Linux2 products
- linux≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < dddedfa3b29a63c2ca4336663806a6128b8545b4 | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < ac512507ac89c01ed6cd4ca53032f52cdb23ea59 | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < 3518cea837de4d106efa84ddac18a07b6de1384e | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < 156012667b85ca7305cb363790d3ae8519a6f41e | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < 7059cdb69f8e1a2707dd1e2f363348b507ed7707 | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < 58fe3bbddfec10c6b216096d8c0e517cd8463e3a | ≥ e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, < 1213acb478a7181cd73eeaf00db430f1e45b1361 | 5.5
- linux_kernel≥ 5.5, < 5.10.214 | ≥ 5.11, < 5.15.153 | ≥ 5.16, < 6.1.83 | ≥ 6.2, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2
3 vendors · 120 products
References
28 links- lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlX TransferredMailing ListThird Party Advisory