CVE-2020-10732
Summary
| CVE | CVE-2020-10732 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-06-12 14:15:00 UTC |
| Updated | 2023-06-06 13:46:00 UTC |
| Description | A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data. |
Risk And Classification
Problem Types: CWE-908
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Application | Netapp | Active Iq Unified Manager | All | All | All | All |
| Application | Netapp | Active Iq Unified Manager | All | All | All | All |
| Hardware | Netapp | Aff 8300 | - | All | All | All |
| Hardware | Netapp | Aff 8300 | - | All | All | All |
| Operating System | Netapp | Aff 8300 Firmware | - | All | All | All |
| Operating System | Netapp | Aff 8300 Firmware | - | All | All | All |
| Hardware | Netapp | Aff 8700 | - | All | All | All |
| Hardware | Netapp | Aff 8700 | - | All | All | All |
| Operating System | Netapp | Aff 8700 Firmware | - | All | All | All |
| Operating System | Netapp | Aff 8700 Firmware | - | All | All | All |
| Hardware | Netapp | Aff A400 | - | All | All | All |
| Hardware | Netapp | Aff A400 | - | All | All | All |
| Operating System | Netapp | Aff A400 Firmware | - | All | All | All |
| Operating System | Netapp | Aff A400 Firmware | - | All | All | All |
| Hardware | Netapp | Aff A700 | - | All | All | All |
| Hardware | Netapp | Aff A700 | - | All | All | All |
| Operating System | Netapp | Aff A700 Firmware | - | All | All | All |
| Operating System | Netapp | Aff A700 Firmware | - | All | All | All |
| Hardware | Netapp | H300e | - | All | All | All |
| Hardware | Netapp | H300e | - | All | All | All |
| Operating System | Netapp | H300e Firmware | - | All | All | All |
| Operating System | Netapp | H300e Firmware | - | All | All | All |
| Hardware | Netapp | H300s | - | All | All | All |
| Hardware | Netapp | H300s | - | All | All | All |
| Operating System | Netapp | H300s Firmware | - | All | All | All |
| Operating System | Netapp | H300s Firmware | - | All | All | All |
| Hardware | Netapp | H410c | - | All | All | All |
| Hardware | Netapp | H410c | - | All | All | All |
| Operating System | Netapp | H410c Firmware | - | All | All | All |
| Operating System | Netapp | H410c Firmware | - | All | All | All |
| Hardware | Netapp | H410s | - | All | All | All |
| Hardware | Netapp | H410s | - | All | All | All |
| Operating System | Netapp | H410s Firmware | - | All | All | All |
| Operating System | Netapp | H410s Firmware | - | All | All | All |
| Hardware | Netapp | H500e | - | All | All | All |
| Hardware | Netapp | H500e | - | All | All | All |
| Operating System | Netapp | H500e Firmware | - | All | All | All |
| Operating System | Netapp | H500e Firmware | - | All | All | All |
| Hardware | Netapp | H500s | - | All | All | All |
| Hardware | Netapp | H500s | - | All | All | All |
| Operating System | Netapp | H500s Firmware | - | All | All | All |
| Operating System | Netapp | H500s Firmware | - | All | All | All |
| Hardware | Netapp | H700e | - | All | All | All |
| Hardware | Netapp | H700e | - | All | All | All |
| Operating System | Netapp | H700e Firmware | - | All | All | All |
| Operating System | Netapp | H700e Firmware | - | All | All | All |
| Hardware | Netapp | H700s | - | All | All | All |
| Hardware | Netapp | H700s | - | All | All | All |
| Operating System | Netapp | H700s Firmware | - | All | All | All |
| Operating System | Netapp | H700s Firmware | - | All | All | All |
| Application | Netapp | Hci Management Node | - | All | All | All |
| Application | Netapp | Hci Management Node | - | All | All | All |
| Application | Netapp | Solidfire | - | All | All | All |
| Application | Netapp | Solidfire | - | All | All | All |
| Application | Netapp | Steelstore Cloud Integrated Storage | - | All | All | All |
| Application | Netapp | Steelstore Cloud Integrated Storage | - | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| BUG: KMSAN: uninit-value in kmsan_handle_dma · Issue #76 · google/kmsan · GitHub | MISC | github.com | Third Party Advisory |
| grsecurity on Twitter: "Did you know the Linux kernel's been leaking uninitialized data (KASLR defeat) through coredumps for over a decade, and someone's custom syzkaller instance finally noticed it? https://t.co/DpqAF33Y0R We found it (manually) and fixed it properly almost two years ago… https://t.co/SRVSbkwDsq" | MISC | twitter.com | Third Party Advisory |
| kernel/git/next/linux-next.git - The linux-next integration testing tree | MISC | git.kernel.org | Patch, Vendor Advisory |
| Re: [PATCH] fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() - Alexander Potapenko | MISC | lore.kernel.org | Mailing List, Patch, Vendor Advisory |
| USN-4440-1: linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| Red Hat Customer Portal | MISC | access.redhat.com | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| Red Hat Customer Portal | MISC | access.redhat.com | |
| fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() · ruscur/linux@a95cdec · GitHub | MISC | github.com | Patch, Third Party Advisory |
| CVE-2020-10732 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | Third Party Advisory |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| USN-4439-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| 1831399 – (CVE-2020-10732) CVE-2020-10732 kernel: uninitialized kernel data leak in userspace coredumps | MISC | bugzilla.redhat.com | |
| [security-announce] openSUSE-SU-2020:0935-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| USN-4411-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MISC | access.redhat.com | |
| 1831399 – (CVE-2020-10732) CVE-2020-10732 kernel: uninitialized kernel data leak in userspace coredumps | CONFIRM | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| USN-4427-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| USN-4485-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| Re: [PATCH] fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() - Alexander Potapenko | MISC | lore.kernel.org | |
| [security-announce] openSUSE-SU-2020:0801-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159684 Oracle Enterprise Linux Security Update for kernel (ELSA-2020-4431)
- 352300 Amazon Linux Security Advisory for kernel: ALAC2012-2020-020
- 353139 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-012
- 377065 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2020:0113)
- 610318 Google Android February 2021 Security Patch Missing for Huawei EMUI
- 610319 Google Android February 2021 Security Patch Missing for LGE
- 610320 Google Android February 2021 Security Patch Missing for Samsung
- 750376 OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)
- 940256 AlmaLinux Security Update for kernel (ALSA-2020:4431)