VulnerabilityModified
CVE-2021-3744
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption).
MEDIUM 5.5EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
Description
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- linux/linux kernel · fedoraproject/fedora · debian/debian linux · redhat/build of quarkus · redhat/codeready linux builder · redhat/codeready linux builder eus · redhat/codeready linux builder for power little endian · redhat/codeready linux builder for power little endian eus · redhat/developer tools · redhat/enterprise linux eus · redhat/enterprise linux for ibm z systems eus · redhat/enterprise linux for power little endian eus · redhat/enterprise linux for real time · redhat/enterprise linux for real time for nfv · redhat/enterprise linux for real time for nfv tus · redhat/enterprise linux server eus · redhat/enterprise linux server for power little endian update services for sap solutions · redhat/enterprise linux server tus · redhat/enterprise linux server update services for sap solutions · redhat/virtualization host · +3 more
- Source
- secalert@redhat.com
References
- http://www.openwall.com/lists/oss-security/2021/09/14/1Exploit, Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2000627Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680Patch, Third Party Advisory
- https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- https://seclists.org/oss-sec/2021/q3/164Exploit, Mailing List, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/14/1Exploit, Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2000627Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680Patch, Third Party Advisory
- https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- https://seclists.org/oss-sec/2021/q3/164Exploit, Mailing List, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.