CVE-2020-29372
4.7 MEDIUMAn issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8
Published: 2020-11-28 · Last updated: 2026-05-29
Severity and scoring
- CVSS
- 4.7 MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-362
Affected products
| Vendor | Product |
|---|---|
| canonical | linux_kernel, ubuntu_linux |
| linux | linux_kernel, ubuntu_linux |
Description
An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2020-29372
- [Other]http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
- [Exploit reference]https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
- [Vendor advisory]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
- [Patch]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0c4d1e176eeb614dc8734fc3ace34292771f11
- [Other]http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
- [Exploit reference]https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
- [Vendor advisory]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
- [Patch]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0c4d1e176eeb614dc8734fc3ace34292771f11
- [Other]https://project-zero.issues.chromium.org/issues/42451131
Related CVEs
Same vendor
- CVE-2026-46273 — In the Linux kernel, the following vulnerability has been resolved: ibmveth: Disable GSO for packets with small MSS Some physical adapt... (8.6 HIGH)
- CVE-2026-46272 — In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etr: Fix race condition between sysfs and perf mode ... (4.7 MEDIUM)
- CVE-2026-46271 — In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: do WoW offloads only on primary link In case of multi... (7.8 HIGH)
- CVE-2026-46270 — In the Linux kernel, the following vulnerability has been resolved: power: supply: rt9455: Fix use-after-free in power_supply_changed() ... (8.4 HIGH)
- CVE-2026-46269 — In the Linux kernel, the following vulnerability has been resolved: pinctrl: canaan: k230: Fix NULL pointer dereference when parsing dev... (5.5 MEDIUM)
Same CWE
- CVE-2025-13036 — An authentication bypass security issue exists within FactoryTalk Historian Site Edition
- CVE-2026-48708 — OliveTin gives access to predefined shell commands from a web interface (7.5 HIGH)
- CVE-2026-54229 — A race condition was found in the abrt-dbus D-Bus service's ChownProblemDir method (7.0 HIGH)
- CVE-2026-12022 — Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process ... (8.3 HIGH)
- CVE-2026-46693 — ImageMagick is free and open-source software used for editing and manipulating digital images (4.1 MEDIUM)