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Vulnerability · Published Oct 4, 2025 · Assigned by Linux

CVE-2023-53541mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write

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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 93.8% 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: mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write When the oob buffer length is not in multiple of words, the oob write function does out-of-bounds read on the oob source buffer at the last iteration. Fix that by always checking length limit on the oob buffer read and fill with 0xff when reaching the end of the buffer to the oob registers.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.55-1DEBIAN-CVE-2023-53541
Debian:13linux6.5.6-1DEBIAN-CVE-2023-53541
Debian:14linux6.5.6-1DEBIAN-CVE-2023-53541
Ubuntu:22.04:LTSlinux5.15.0-94.104UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-aws5.15.0-1053.58UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure5.15.0-1056.64UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1056.64.1UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gcp5.15.0-1051.59UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gke5.15.0-1050.55UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1036.42UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-ibm5.15.0-1046.49UBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1047.53UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-kvm5.15.0-1050.55UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-94.104UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1044.44UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1022.22UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1009.9UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oracle5.15.0-1051.57UBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-raspi5.15.0-1046.49UBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53541
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53541
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-53541

Affected products (as reported)

VendorProductVersions
Linux Linux 27c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b27c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 14b1d00520b4d6a4818364334ce472b79cfc897627c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before aae45746f4aee9818296e0500e0703e9d8caa5b827c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before d00b031266514a9395124704630b056a5185ec1727c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 2353b7bb61e45e7cfd21505d0c6747ac8c9496a127c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 45fe4ad7f439799ee1b7b5f80bf82e8b34a98d2527c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 648d1150a688698e37f7aaf302860180901cb30e27c5b17cd1b10564fa36f8f51e4b4b41436ecc32 – before 5d53244186c9ac58cb88d76a0958ca55b83a15cd
Linux Linux 4.2

References