CVE-2021-1904: qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music, snapdragon wearables Incorrect Comparison
Vulnerability summary
CVE-2021-1904 is a medium (CVSS 6.2) Incorrect Comparison vulnerability in qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music, snapdragon wearables. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Duplicates 1Timeline
- 08-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Child process can leak information from parent process due to numeric pids are getting compared and these pid can be reused in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.50% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm175 products
Qualcomm, inc.1 product
- snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music, snapdragon wearablesAPQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8076, APQ8096AU, AQT1000, AR8031, AR8035, CSR6030, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, MDM9150, MDM9206, MDM9250, MDM9607, MDM9626, MDM9628, MDM9640, MDM9650, MSM8909W, MSM8917, MSM8953, MSM8996AU, QCA4020, QCA6174, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8337, QCA9367, QCA9377, QCA9379, QCM2290, QCM4290, QCM6125, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCX315, QET4101, QRB5165, QSM8250, QSW8573, Qualcomm215, SA415M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 455, SD 636, SD 675, SD 8C, SD 8CX, SD205, SD210, SD429, SD439, SD450, SD460, SD480, SD632, SD660, SD662, SD665, SD670, SD675, SD678, SD690 5G, SD710, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD835, SD845, SD85 ...[truncated*]
2 vendors · 176 products
References
1 links- www.qualcomm.com/company/product-security/bulletins/august-2021-bulletinX Refsource CONFIRMPatchVendor Advisory