CVE-2023-1195: Use After Free
First published: Sun Oct 02 2022(Updated: )
A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-477.10.1.rt7.274.el8_8 | 0:4.18.0-477.10.1.rt7.274.el8_8 |
| redhat/kernel | <0:4.18.0-477.10.1.el8_8 | 0:4.18.0-477.10.1.el8_8 |
| redhat/kernel | <0:5.14.0-284.11.1.el9_2 | 0:5.14.0-284.11.1.el9_2 |
| redhat/kernel-rt | <0:5.14.0-284.11.1.rt14.296.el9_2 | 0:5.14.0-284.11.1.rt14.296.el9_2 |
| Linux Linux kernel | <6.1 | |
| Linux Linux kernel | =6.1-rc1 | |
| Linux Linux kernel | =6.1-rc2 | |
| redhat/kernel | <6.1 | 6.1 |
| debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 6.9.12-1 | |
| ubuntu/linux | <5.4.0-99.112 | 5.4.0-99.112 |
| ubuntu/linux | <5.15.0-67.74 | 5.15.0-67.74 |
| ubuntu/linux | <5.19.0-38.39 | 5.19.0-38.39 |
| ubuntu/linux | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws | <5.4.0-1065.68 | 5.4.0-1065.68 |
| ubuntu/linux-aws | <5.15.0-1031.35 | 5.15.0-1031.35 |
| ubuntu/linux-aws | <5.19.0-1022.23 | 5.19.0-1022.23 |
| ubuntu/linux-aws | <6.2.0-1002.2 | 6.2.0-1002.2 |
| ubuntu/linux-aws | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-5.0 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-5.15 | <5.15.0-1031.35~20.04.1 | 5.15.0-1031.35~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-5.4 | <5.4.0-1065.68~18.04.1 | 5.4.0-1065.68~18.04.1 |
| ubuntu/linux-aws-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-fips | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-aws-hwe | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure | <5.15.0-1034.41 | 5.15.0-1034.41 |
| ubuntu/linux-azure | <5.19.0-1022.23 | 5.19.0-1022.23 |
| ubuntu/linux-azure | <6.2.0-1002.2 | 6.2.0-1002.2 |
| ubuntu/linux-azure | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-4.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-5.15 | <5.15.0-1034.41~20.04.1 | 5.15.0-1034.41~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-5.19 | <5.19.0-1022.23~22.04.1 | 5.19.0-1022.23~22.04.1 |
| ubuntu/linux-azure-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-edge | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-fde | <5.15.0-1034.41.1 | 5.15.0-1034.41.1 |
| ubuntu/linux-azure-fde | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1034.41~20.04.1.2 | 5.15.0-1034.41~20.04.1.2 |
| ubuntu/linux-azure-fde-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-azure-fips | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-bluefield | <5.4.0-1028.31 | 5.4.0-1028.31 |
| ubuntu/linux-bluefield | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-dell300x | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-fips | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp | <5.4.0-1064.68 | 5.4.0-1064.68 |
| ubuntu/linux-gcp | <5.15.0-1030.37 | 5.15.0-1030.37 |
| ubuntu/linux-gcp | <5.19.0-1019.21 | 5.19.0-1019.21 |
| ubuntu/linux-gcp | <6.2.0-1004.4 | 6.2.0-1004.4 |
| ubuntu/linux-gcp | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp-4.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1030.37~20.04.1 | 5.15.0-1030.37~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1064.68~18.04.1 | 5.4.0-1064.68~18.04.1 |
| ubuntu/linux-gcp-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gcp-fips | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gke | <5.4.0-1062.65 | 5.4.0-1062.65 |
| ubuntu/linux-gke | <5.15.0-1028.33 | 5.15.0-1028.33 |
| ubuntu/linux-gke | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gke-4.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gke-5.0 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gke-5.15 | <5.15.0-1028.33~20.04.1 | 5.15.0-1028.33~20.04.1 |
| ubuntu/linux-gke-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gke-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gkeop | <5.4.0-1033.34 | 5.4.0-1033.34 |
| ubuntu/linux-gkeop | <5.15.0-1016.21 | 5.15.0-1016.21 |
| ubuntu/linux-gkeop | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gkeop-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-gkeop-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-hwe | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-hwe-5.15 | <5.15.0-67.74~20.04.1 | 5.15.0-67.74~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-hwe-5.19 | <5.19.0-38.39~22.04.1 | 5.19.0-38.39~22.04.1 |
| ubuntu/linux-hwe-5.4 | <5.4.0-99.112~18.04.1 | 5.4.0-99.112~18.04.1 |
| ubuntu/linux-hwe-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-hwe-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-hwe-edge | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-ibm | <5.4.0-1014.15 | 5.4.0-1014.15 |
| ubuntu/linux-ibm | <5.15.0-1026.29 | 5.15.0-1026.29 |
| ubuntu/linux-ibm | <5.19.0-1019.21 | 5.19.0-1019.21 |
| ubuntu/linux-ibm | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-ibm-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-ibm-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-intel | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-intel-5.13 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-intel-iotg | <5.15.0-1026.31 | 5.15.0-1026.31 |
| ubuntu/linux-intel-iotg | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1026.31~20.04.1 | 5.15.0-1026.31~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-iot | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-kvm | <5.4.0-1055.57 | 5.4.0-1055.57 |
| ubuntu/linux-kvm | <5.15.0-1029.34 | 5.15.0-1029.34 |
| ubuntu/linux-kvm | <5.19.0-1020.21 | 5.19.0-1020.21 |
| ubuntu/linux-kvm | <6.2.0-1002.2 | 6.2.0-1002.2 |
| ubuntu/linux-kvm | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-laptop | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-lowlatency | <5.15.0-67.74 | 5.15.0-67.74 |
| ubuntu/linux-lowlatency | <5.19.0-1021.22 | 5.19.0-1021.22 |
| ubuntu/linux-lowlatency | <6.2.0-1002.2 | 6.2.0-1002.2 |
| ubuntu/linux-lowlatency | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-67.74~20.04.1 | 5.15.0-67.74~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.19.0-1021.22~22.04.1 | 5.19.0-1021.22~22.04.1 |
| ubuntu/linux-lowlatency-hwe-5.19 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-lts-xenial | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-nvidia | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-nvidia-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-nvidia-6.8 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-nvidia-lowlatency | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-5.10 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-5.14 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-5.17 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-5.6 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-6.0 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-6.1 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-6.8 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oem-osp1 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle | <5.4.0-1063.67 | 5.4.0-1063.67 |
| ubuntu/linux-oracle | <5.15.0-1030.36 | 5.15.0-1030.36 |
| ubuntu/linux-oracle | <5.19.0-1019.22 | 5.19.0-1019.22 |
| ubuntu/linux-oracle | <6.2.0-1002.2 | 6.2.0-1002.2 |
| ubuntu/linux-oracle | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle-5.0 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle-5.13 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1030.36~20.04.1 | 5.15.0-1030.36~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1063.67~18.04.1 | 5.4.0-1063.67~18.04.1 |
| ubuntu/linux-oracle-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-oracle-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-raspi | <5.15.0-1025.27 | 5.15.0-1025.27 |
| ubuntu/linux-raspi | <5.19.0-1015.22 | 5.19.0-1015.22 |
| ubuntu/linux-raspi | <6.2.0-1003.3 | 6.2.0-1003.3 |
| ubuntu/linux-raspi | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-raspi-5.4 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-raspi2 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-riscv | <5.19.0-1015.16 | 5.19.0-1015.16 |
| ubuntu/linux-riscv | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-riscv-5.15 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-riscv-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-snapdragon | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-starfive | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-starfive-6.5 | <6.1~<5.15.83 | 6.1~ 5.15.83 |
| ubuntu/linux-xilinx-zynqmp | <6.1~<5.15.83 | 6.1~ 5.15.83 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2023-1195 https://nvd.nist.gov/vuln/detail/CVE-2023-1195 https://github.com/torvalds/linux/commit/153695d36ead0ccc4d0256953c751cabf673e621
- https://bugzilla.redhat.com/show_bug.cgi?id=2154171
- https://access.redhat.com/errata/RHSA-2023:2736
- https://access.redhat.com/errata/RHSA-2023:2951
- https://access.redhat.com/errata/RHSA-2023:2458
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/security/cve/cve-2023-1195
- https://github.com/torvalds/linux/commit/153695d36ead0ccc4d0256953c751cabf673e621
- https://launchpad.net/bugs/cve/CVE-2023-1195
- https://access.redhat.com/errata/RHSA-2024:0431
- https://access.redhat.com/errata/RHSA-2024:0432
- https://access.redhat.com/errata/RHSA-2024:0412
- https://git.kernel.org/linus/153695d36ead0ccc4d0256953c751cabf673e621 (6.1-rc3)
- https://ubuntu.com/security/notices/USN-5970-1
- https://ubuntu.com/security/notices/USN-5979-1
- https://www.cve.org/CVERecord?id=CVE-2023-1195
- https://nvd.nist.gov/vuln/detail/CVE-2023-1195
- https://security-tracker.debian.org/tracker/CVE-2023-1195
- https://git.kernel.org/linus/7be3248f313930ff3d3436d4e9ddbe9fccc1f541
- https://git.kernel.org/linus/153695d36ead0ccc4d0256953c751cabf673e621
- https://ubuntu.com/security/CVE-2023-1195
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/remedy
- agent/severity
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/description
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-1195
- agent/references
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/usn-cve
- source/Ubuntu
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/6.1-rc1
- version/linux linux kernel/6.1-rc2
- package-manager/debian
- package-manager/ubuntu