CVE-2021-26930
Summary
| CVE | CVE-2021-26930 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-02-17 01:15:00 UTC |
| Updated | 2023-11-07 03:31:00 UTC |
| Description | An issue was discovered in the Linux kernel 3.11 through 5.10.16, as used by Xen. To service requests to the PV backend, the driver maps grant references provided by the frontend. In this process, errors may be encountered. In one case, an error encountered earlier might be discarded by later processing, resulting in the caller assuming successful mapping, and hence subsequent operations trying to access space that wasn't mapped. In another case, internal state would be insufficiently updated, preventing safe recovery from the error. This affects drivers/block/xen-blkback/blkback.c. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 33 Update: kernel-5.10.18-200.fc33 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| XSA-365 - Xen Security Advisories | MISC | xenbits.xen.org | Patch, Third Party Advisory |
| [SECURITY] [DLA 2586-1] linux security update | MLIST | lists.debian.org | |
| [SECURITY] [DLA 2610-1] linux-4.19 security update | MLIST | lists.debian.org | |
| February 2021 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | |
| [SECURITY] Fedora 32 Update: kernel-5.10.18-100.fc32 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Mailing List, Patch, Third Party Advisory |
| [SECURITY] Fedora 32 Update: kernel-5.10.18-100.fc32 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 33 Update: kernel-5.10.18-200.fc33 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Mailing List, Patch, 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
- 159132 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9135)
- 159133 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9136)
- 174764 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0738-1)
- 174768 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0735-1)
- 174770 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0741-1)
- 174772 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0737-1)
- 174774 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0740-1)
- 174897 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1175-1)
- 174916 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1210-1)
- 174950 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 21 for SLE 15) (SUSE-SU-2021:1344-1)
- 174954 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 36 for SLE 12 SP3) (SUSE-SU-2021:1373-1)
- 174955 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 17 for SLE 15 SP1) (SUSE-SU-2021:1365-1)
- 178507 Debian Security Update for linux-4.19 (DLA 2610-1)
- 178679 Debian Security Update for linux-4.19 (DLA 2690-1)
- 178680 Debian Security Update for linux (DLA 2689-1)
- 179554 Debian Security Update for linux (CVE-2021-26930)
- 198323 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4904-1)
- 198325 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4909-1)
- 198366 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4949-1)
- 198371 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4946-1)
- 352244 Amazon Linux Security Advisory for kernel: ALAS-2021-1487
- 352254 Amazon Linux Security Advisory for kernel: ALAS2-2021-1616
- 353100 Amazon Linux Security Advisory for kernel : ALAC2012-2021-024
- 353101 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025
- 353102 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026
- 353150 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-001
- 379053 Citrix XenServer Security Updates (CTX296603)
- 6140400 AWS Bottlerocket Security Update for kernel (GHSA-h45x-5xwm-6f63)
- 671723 EulerOS Security Update for kernel (EulerOS-SA-2022-1780)
- 750324 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0393-1)
- 900098 CBL-Mariner Linux Security Update for kernel 5.4.91
- 902833 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3895)
- 905804 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3895-1)