CVE-2020-29370: linux linux_kernel Race Condition
CVSS: 7.0v3.1HighModified
AliasesUBUNTU-CVE-2020-29370DEBIAN-CVE-2020-29370
Published 28-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-29370 is a high (CVSS 7.0) Race Condition vulnerability in linux linux_kernel. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.0/10
010
High · v3.1 (NVD)EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 28-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux kernel before 5.5.11. The slowpath lacks the required TID increment, aka CID-fd4d9c7d0c71.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.0Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.4Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 18-09-2026
18-09-202618-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.chromium.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu36 products
- linux< 4.4.0-179.209 | < 4.15.0-99.100
- linux-aws< 4.4.0-1067.71 | < 4.4.0-1107.118 | < 4.15.0-1066.70
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
Netapp6 products
- cloud_backupna
- h410c_firmwarena
- hci_compute_nodena
- solidfire_\&_hci_management_nodena
- solidfire_baseboard_management_controller_firmwarena
Debian1 product
- linux< 5.5.13-1
Linux1 product
- linux_kernel< 5.5.11
4 vendors · 44 products
References
9 links- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.11X Refsource MISCREPORTRelease NotesVendor Advisory
- bugs.chromium.org/p/project-zero/issues/detail?id=2022X Refsource MISCREPORTExploitIssue TrackingPatchThird Party Advisory
