Vulnerability Description
An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.17 |
| Fedoraproject | Fedora | 34 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Oracle | Communications Cloud Native Core Binding Support Function | 22.1.3 |
| Oracle | Communications Cloud Native Core Network Exposure Function | 22.1.1 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1997961Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c5PatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7ePatchVendor Advisory
- https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f11PatchThird Party Advisory
- https://lists.openwall.net/netdev/2021/08/17/124ExploitMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220407-0007/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/27/2ExploitMailing ListPatch
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997961Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c5PatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7ePatchVendor Advisory
- https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f11PatchThird Party Advisory
- https://lists.openwall.net/netdev/2021/08/17/124ExploitMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220407-0007/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/27/2ExploitMailing ListPatch
FAQ
What is CVE-2021-3743?
CVE-2021-3743 is a vulnerability with a CVSS score of 7.1 (HIGH). An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leadin...
How severe is CVE-2021-3743?
CVE-2021-3743 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3743?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Netapp H300S Firmware, Netapp H300S, Netapp H500S Firmware.