CVE-2024-36978: net: sched: sch_multiq: fix possible OOB write in multiq_tune()
Vulnerability summary
CVE-2024-36978 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.7% 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 57 · Related 48Timeline
- 19-06-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: net: sched: sch_multiq: fix possible OOB write in multiq_tune() q->bands will be assigned to qopt->bands to execute subsequent code logic after kmalloc. So the old q->bands should not be used in kmalloc. Otherwise, an out-of-bounds write will occur.
CVSS metrics
5 scores · 4 sources · 2 versions- 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
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% 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.
Ubuntu124 products
- linux< 5.4.0-195.215 | < 5.15.0-121.131 | < 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1132.142 | < 5.15.0-1069.75 | < 6.8.0-1015.16
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < d5d9d241786f49ae7cbc08e7fc95a115e9d80f3d | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < 52b1aa07cda6a199cd6754d3798c7759023bc70f | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < 598572c64287aee0b75bbba4e2881496878860f3 | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < 0f208fad86631e005754606c3ec80c0d44a11882 | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < 54c2c171c11a798fe887b3ff72922aa9d1411c1e | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < d6fb5110e8722bc00748f22caeb650fe4672f129 | ≥ c2999f7fb05b87da4060e38150c70fa46794d82b, < affc18fdc694190ca7575b9a86632a73b9fe043d | 5.4
- linux_kernel≥ 5.4, < 5.4.279 | ≥ 5.5, < 5.10.221 | ≥ 5.11, < 5.15.162 | ≥ 5.16, < 6.1.95 | ≥ 6.2, < 6.6.35 | ≥ 6.7, < 6.9.6 | 6.10:rc1 | 6.10:rc2
Debian1 product
- linux< 6.1.99-1 | < 6.9.7-1
3 vendors · 127 products