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Vulnerability · Published Jun 25, 2026 · Assigned by Linux

CVE-2026-53156nvmem: core: fix use-after-free bugs in error paths

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.1%top 97.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in error paths Fix several instances of error paths in which we call __nvmem_device_put() - which may end up freeing the underlying memory and other resources - and then keep on using the nvmem structure. Always put the reference to the nvmem device as the last step before returning the error code.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-53156
Debian:13linux6.12.94-1DEBIAN-CVE-2026-53156
Debian:14linux7.0.13-1DEBIAN-CVE-2026-53156
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux6.8.0-146.146UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux6.8.0-146.146USN-8903-1
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux7.0.0-31.31USN-8726-1
Ubuntu:26.04:LTSlinux7.0.0-31.31UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-aws6.8.0-1066.69UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-aws6.8.0-1066.69USN-8903-1
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-aws7.0.0-1012.12UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-aws7.0.0-1012.12USN-8726-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1066.69~22.04.1USN-8903-1
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1066.69~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-aws-7.07.0.0-1012.12~24.04.1USN-8726-1
Ubuntu:24.04:LTSlinux-aws-7.07.0.0-1012.12~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure6.8.0-1070.78UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure6.8.0-1070.78USN-8904-1
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-azure7.0.0-1014.14USN-8726-4
Ubuntu:26.04:LTSlinux-azure7.0.0-1014.14UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1070.78~22.04.1USN-8904-1
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1070.78~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-7.07.0.0-1014.14~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1068.75UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1068.75USN-8904-1
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-azure-fde7.0.0-1013.13UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1068.75~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1068.75~22.04.1USN-8904-1
Ubuntu:24.04:LTSlinux-azure-fde-7.07.0.0-1013.13~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gcp6.8.0-1070.78UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gcp6.8.0-1070.78USN-8905-2
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-gcp7.0.0-1011.11USN-8726-1
Ubuntu:26.04:LTSlinux-gcp7.0.0-1011.11UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1070.78~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1070.78~22.04.1USN-8905-1
Ubuntu:24.04:LTSlinux-gcp-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gke6.8.0-1065.73UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gke6.8.0-1065.73USN-8903-2
Ubuntu:26.04:LTSlinux-gke7.0.0-1006.7UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-gke7.0.0-1006.7USN-8726-1
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1051.55USN-8903-2
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1051.55UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-31.31~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-31.31~24.04.1USN-8726-1
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-ibm6.8.0-1066.67USN-8903-2
Ubuntu:24.04:LTSlinux-ibm6.8.0-1066.67UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-ibm7.0.0-1013.13UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-ibm7.0.0-1013.13USN-8726-3
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1066.67~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-146.146.1USN-8903-2
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-146.146.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-146.146.1~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-146.146.1~22.04.1USN-8903-2
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1064.67UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1064.67USN-8903-2
Ubuntu:26.04:LTSlinux-nvidia7.0.0-1018.18UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-nvidia7.0.0-1018.18USN-8760-2
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1064.67~22.04.1USN-8903-2
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1064.67~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia-7.07.0.0-1018.18~24.04.1USN-8760-1
Ubuntu:24.04:LTSlinux-nvidia-7.07.0.0-1018.18~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-nvidia-bos7.0.0-2018.18USN-8800-1
Ubuntu:26.04:LTSlinux-nvidia-bos7.0.0-2018.18UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1064.67.1USN-8903-2
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1064.67.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1036.39UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1036.39USN-8886-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1013.13USN-8727-1
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1013.13UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oracle6.8.0-1063.66UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oracle6.8.0-1063.66USN-8903-2
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-oracle7.0.0-1011.11UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-oracle7.0.0-1011.11USN-8726-4
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-oracle-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-53156
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-raspi7.0.0-1019.19UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-raspi7.0.0-1019.19USN-8726-2
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-realtime7.0.0-31.31.1UBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-realtime7.0.0-31.31.1USN-8726-1
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-53156
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2026-53156
Ubuntu:26.04:LTSlinux-riscv7.0.0-31.31.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-146.146~22.04.1UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-31.31.1~24.04.1UBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-vmware6.8.0-1008.8UBUNTU-CVE-2026-53156
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-53156
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-53156

Affected products (as reported)

VendorProductVersions
Linux Linux e888d445ac33a5b0288d670ecd970908b13f07cd – before 6cdcf0d16c80900f42d60252480cd131c1a83d23e888d445ac33a5b0288d670ecd970908b13f07cd – before e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7e888d445ac33a5b0288d670ecd970908b13f07cd – before cb85ef5a227b3662b88f4d849a1aad43bfe7f5aee888d445ac33a5b0288d670ecd970908b13f07cd – before 40e2a459c0dd1333b2343831480a0ad80dc07614e888d445ac33a5b0288d670ecd970908b13f07cd – before 5b6b6fc491899d583eaa75344e094796ae9b530b
Linux Linux 4.20

References