vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-25212): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:S/C:C/I:C/A:C) | Sep 9, 2020 | Sep 22, 2020 | Jan 28, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
Sep 9, 2020
Added
Sep 22, 2020
Modified
Jan 28, 2025
Description
A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.
Solution(s)
ubuntu-upgrade-linux-image-4-15-0-1056-oracleubuntu-upgrade-linux-image-4-15-0-1057-oracleubuntu-upgrade-linux-image-4-15-0-1072-gkeubuntu-upgrade-linux-image-4-15-0-1073-raspi2ubuntu-upgrade-linux-image-4-15-0-1077-kvmubuntu-upgrade-linux-image-4-15-0-1085-awsubuntu-upgrade-linux-image-4-15-0-1086-awsubuntu-upgrade-linux-image-4-15-0-1086-gcpubuntu-upgrade-linux-image-4-15-0-1089-snapdragonubuntu-upgrade-linux-image-4-15-0-1098-azureubuntu-upgrade-linux-image-4-15-0-1099-azureubuntu-upgrade-linux-image-4-15-0-1099-oemubuntu-upgrade-linux-image-4-15-0-120-genericubuntu-upgrade-linux-image-4-15-0-120-generic-lpaeubuntu-upgrade-linux-image-4-15-0-120-lowlatencyubuntu-upgrade-linux-image-4-15-0-121-genericubuntu-upgrade-linux-image-4-15-0-121-generic-lpaeubuntu-upgrade-linux-image-4-15-0-121-lowlatencyubuntu-upgrade-linux-image-4-4-0-1078-awsubuntu-upgrade-linux-image-4-4-0-1080-kvmubuntu-upgrade-linux-image-4-4-0-1114-awsubuntu-upgrade-linux-image-4-4-0-1139-raspi2ubuntu-upgrade-linux-image-4-4-0-1143-snapdragonubuntu-upgrade-linux-image-4-4-0-190-genericubuntu-upgrade-linux-image-4-4-0-190-generic-lpaeubuntu-upgrade-linux-image-4-4-0-190-lowlatencyubuntu-upgrade-linux-image-4-4-0-190-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-190-powerpc-smpubuntu-upgrade-linux-image-4-4-0-190-powerpc64-embubuntu-upgrade-linux-image-4-4-0-190-powerpc64-smpubuntu-upgrade-linux-image-5-4-0-1019-raspiubuntu-upgrade-linux-image-5-4-0-1024-kvmubuntu-upgrade-linux-image-5-4-0-1025-awsubuntu-upgrade-linux-image-5-4-0-1025-gcpubuntu-upgrade-linux-image-5-4-0-1025-oracleubuntu-upgrade-linux-image-5-4-0-1026-azureubuntu-upgrade-linux-image-5-4-0-48-genericubuntu-upgrade-linux-image-5-4-0-48-generic-lpaeubuntu-upgrade-linux-image-5-4-0-48-lowlatencyubuntu-upgrade-linux-image-5-6-0-1048-oemubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-lts-xenial
References
- CVE-2020-25212
- https://attackerkb.com/topics/CVE-2020-25212
- NVD-CVE-2020-25212
- UBUNTU-USN-4525-1
- UBUNTU-USN-4527-1
- UBUNTU-USN-4576-1
- UBUNTU-USN-4578-1
- UBUNTU-USN-4579-1
- UBUNTU-USN-4592-1
- UBUNTU-USN-4657-1
- UBUNTU-USN-4658-1
- UBUNTU-USN-4659-1
- UBUNTU-USN-4660-1
- UBUNTU-USN-4679-1
- UBUNTU-USN-4680-1
- UBUNTU-USN-4710-1
- UBUNTU-USN-4711-1
- UBUNTU-USN-4748-1
- UBUNTU-USN-4749-1
- UBUNTU-USN-4750-1
- UBUNTU-USN-4751-1
- UBUNTU-USN-4752-1
- UBUNTU-USN-5130-1
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