CVE-2023-52871: soc: qcom: llcc: Handle a second device without data corruption
Vulnerability summary
CVE-2023-52871 is a high (CVSS 7.1) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.5% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 13Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: soc: qcom: llcc: Handle a second device without data corruption Usually there is only one llcc device. But if there were a second, even a failed probe call would modify the global drv_data pointer. So check if drv_data is valid before overwriting it.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu112 products
- linux< 5.4.0-173.191 | < 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1120.130 | < 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < cc1a1dcb411fe224f48553cfdcdfe6e61395b69c | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < 5e5b85ea0f4bc484bfe4cc73ead51fa48d2366a0 | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < 995ee1e84e8db7fa5dcdde7dfe0bd7bb6f9bbb8c | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < f0ef883cae309bc5e8cdfcdbc1b4822732ce20a8 | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < 3565684309e54fa998ea27f37028d67cc3e1dff2 | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < 1143bfb9b055897975aeaea254da148e19524493 | ≥ a3134fb09e0bc5bee76e13bf863173b86f21cf87, < f1a1bc8775b26345aba2be278118999e7f661d3d | 4.19
- linux_kernel≥ 4.19, < 5.4.261 | ≥ 5.5, < 5.10.201 | ≥ 5.11, < 5.15.139 | ≥ 5.16, < 6.1.63 | ≥ 6.2, < 6.5.12 | ≥ 6.6, < 6.6.2
Debian1 product
- linux< 6.1.64-1 | < 6.6.8-1
3 vendors · 115 products