In the Linux kernel, the following vulnerability has been resolved: nfs: Fix KMSAN warning in decodegetfattrattrs() Fix the following KMSAN warning: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: [B]=BADPAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009) ===================================================== ===================================================== BUG: KMSAN: uninit-value in decodegetfattrattrs+0x2d6d/0x2f90 decodegetfattrattrs+0x2d6d/0x2f90 decodegetfattrgeneric+0x806/0xb00 nfs4xdrdecgetattr+0x1de/0x240 rpcauthunwraprespdecode+0xab/0x100 rpcauthunwrapresp+0x95/0xc0 calldecode+0x4ff/0xb50 _rpcexecute+0x57b/0x19d0 rpcexecute+0x368/0x5e0 rpcruntask+0xcfe/0xee0 nfs4procgetattr+0x5b5/0x990 _nfsrevalidateinode+0x477/0xd00 nfsaccessgetcached+0x1021/0x1cc0 nfsdoaccess+0x9f/0xae0 nfspermission+0x1e4/0x8c0 inodepermission+0x356/0x6c0 linkpathwalk+0x958/0x1330 pathlookupat+0xce/0x6b0 filenamelookup+0x23e/0x770 vfsstatx+0xe7/0x970 vfsfstatat+0x1f2/0x2c0 _sesysnewfstatat+0x67/0x880 _x64sysnewfstatat+0xbd/0x120 x64syscall+0x1826/0x3cf0 dosyscall64+0xd0/0x1b0 entrySYSCALL64afterhwframe+0x77/0x7f The KMSAN warning is triggered in decodegetfattrattrs(), when calling decodeattrmdsthreshold(). It appears that fattr->mdsthreshold is not initialized. Fix the issue by initializing fattr->mdsthreshold to NULL in nfsfattr_init().
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-18.18", "binary_name": "linux-bpf-dev" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-buildinfo-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-buildinfo-6.11.0-18-generic-64k" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-cloud-tools-6.11.0-18" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-cloud-tools-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-cloud-tools-common" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-doc" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-headers-6.11.0-18" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-headers-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-headers-6.11.0-18-generic-64k" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-6.11.0-18-generic-dbgsym" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-unsigned-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-unsigned-6.11.0-18-generic-64k" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-unsigned-6.11.0-18-generic-64k-dbgsym" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-image-unsigned-6.11.0-18-generic-dbgsym" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-lib-rust-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-libc-dev" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-6.11.0-18-generic-64k" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-extra-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-ipu6-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-ipu7-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-iwlwifi-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-usbio-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-modules-vision-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-source-6.11.0" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-tools-6.11.0-18" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-tools-6.11.0-18-generic" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-tools-6.11.0-18-generic-64k" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-tools-common" }, { "binary_version": "6.11.0-18.18", "binary_name": "linux-tools-host" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1009.10", "binary_name": "linux-aws-cloud-tools-6.11.0-1009" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-aws-headers-6.11.0-1009" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-aws-tools-6.11.0-1009" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-buildinfo-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-cloud-tools-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-headers-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-image-unsigned-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-image-unsigned-6.11.0-1009-aws-dbgsym" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-modules-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-modules-extra-6.11.0-1009-aws" }, { "binary_version": "6.11.0-1009.10", "binary_name": "linux-tools-6.11.0-1009-aws" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1009.9", "binary_name": "linux-azure-cloud-tools-6.11.0-1009" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-azure-headers-6.11.0-1009" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-azure-tools-6.11.0-1009" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-buildinfo-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-cloud-tools-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-headers-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-image-unsigned-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-image-unsigned-6.11.0-1009-azure-dbgsym" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-modules-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-modules-extra-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-modules-iwlwifi-6.11.0-1009-azure" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-tools-6.11.0-1009-azure" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1009.9", "binary_name": "linux-buildinfo-6.11.0-1009-gcp" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-gcp-headers-6.11.0-1009" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-gcp-tools-6.11.0-1009" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-headers-6.11.0-1009-gcp" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-image-unsigned-6.11.0-1009-gcp" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-image-unsigned-6.11.0-1009-gcp-dbgsym" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-modules-6.11.0-1009-gcp" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-modules-extra-6.11.0-1009-gcp" }, { "binary_version": "6.11.0-1009.9", "binary_name": "linux-tools-6.11.0-1009-gcp" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1010.11", "binary_name": "linux-buildinfo-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-buildinfo-6.11.0-1010-lowlatency-64k" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-cloud-tools-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-headers-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-headers-6.11.0-1010-lowlatency-64k" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-image-unsigned-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-image-unsigned-6.11.0-1010-lowlatency-64k" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-image-unsigned-6.11.0-1010-lowlatency-64k-dbgsym" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-image-unsigned-6.11.0-1010-lowlatency-dbgsym" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-lowlatency-cloud-tools-6.11.0-1010" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-lowlatency-headers-6.11.0-1010" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-lowlatency-lib-rust-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-lowlatency-tools-6.11.0-1010" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-modules-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-modules-6.11.0-1010-lowlatency-64k" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-modules-iwlwifi-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-tools-6.11.0-1010-lowlatency" }, { "binary_version": "6.11.0-1010.11", "binary_name": "linux-tools-6.11.0-1010-lowlatency-64k" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1011.12", "binary_name": "linux-buildinfo-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-buildinfo-6.11.0-1011-oracle-64k" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-headers-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-headers-6.11.0-1011-oracle-64k" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-image-unsigned-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-image-unsigned-6.11.0-1011-oracle-64k" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-image-unsigned-6.11.0-1011-oracle-64k-dbgsym" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-image-unsigned-6.11.0-1011-oracle-dbgsym" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-modules-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-modules-6.11.0-1011-oracle-64k" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-modules-extra-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-modules-extra-6.11.0-1011-oracle-64k" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-oracle-headers-6.11.0-1011" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-oracle-tools-6.11.0-1011" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-tools-6.11.0-1011-oracle" }, { "binary_version": "6.11.0-1011.12", "binary_name": "linux-tools-6.11.0-1011-oracle-64k" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1008.8", "binary_name": "linux-buildinfo-6.11.0-1008-raspi" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-headers-6.11.0-1008-raspi" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-image-6.11.0-1008-raspi" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-image-6.11.0-1008-raspi-dbgsym" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-modules-6.11.0-1008-raspi" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-raspi-headers-6.11.0-1008" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-raspi-tools-6.11.0-1008" }, { "binary_version": "6.11.0-1008.8", "binary_name": "linux-tools-6.11.0-1008-raspi" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-1005.5", "binary_name": "linux-buildinfo-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-cloud-tools-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-headers-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-image-unsigned-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-image-unsigned-6.11.0-1005-realtime-dbgsym" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-modules-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-modules-extra-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-modules-iwlwifi-6.11.0-1005-realtime" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-realtime-cloud-tools-6.11.0-1005" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-realtime-headers-6.11.0-1005" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-realtime-tools-6.11.0-1005" }, { "binary_version": "6.11.0-1005.5", "binary_name": "linux-tools-6.11.0-1005-realtime" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-buildinfo-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-headers-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-image-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-image-6.11.0-17-generic-dbgsym" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-modules-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-riscv-headers-6.11.0-17" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-riscv-tools-6.11.0-17" }, { "binary_version": "6.11.0-17.17.1", "binary_name": "linux-tools-6.11.0-17-generic" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-buildinfo-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-buildinfo-6.11.0-17-generic-64k" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-cloud-tools-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-headers-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-headers-6.11.0-17-generic-64k" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-hwe-6.11-cloud-tools-6.11.0-17" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-hwe-6.11-headers-6.11.0-17" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-hwe-6.11-lib-rust-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-hwe-6.11-tools-6.11.0-17" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-6.11.0-17-generic-dbgsym" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-unsigned-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-unsigned-6.11.0-17-generic-64k" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-unsigned-6.11.0-17-generic-64k-dbgsym" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-image-unsigned-6.11.0-17-generic-dbgsym" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-6.11.0-17-generic-64k" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-extra-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-ipu6-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-ipu7-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-iwlwifi-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-usbio-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-modules-vision-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-tools-6.11.0-17-generic" }, { "binary_version": "6.11.0-17.17~24.04.2", "binary_name": "linux-tools-6.11.0-17-generic-64k" } ] }