Log in Start free

Vulnerability · Published Jan 13, 2026 · Assigned by Linux

CVE-2025-68784xfs: fix a UAF problem in xattr repair

Unrated

In plain English

A 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 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 90.2% 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: xfs: fix a UAF problem in xattr repair The xchk_setup_xattr_buf function can allocate a new value buffer, which means that any reference to ab->value before the call could become a dangling pointer. Fix this by moving an assignment to after the buffer setup.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.12.69-1DEBIAN-CVE-2025-68784
Debian:13linux6.12.69-1DSA-6126-1
Debian:14linux6.18.3-1DEBIAN-CVE-2025-68784
Ubuntu:25.10linux6.17.0-22.22UBUNTU-CVE-2025-68784
Ubuntu:25.10linux6.17.0-22.22USN-8177-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-aws6.17.0-1012.12USN-8183-2
Ubuntu:25.10linux-aws6.17.0-1012.12UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1012.12~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1012.12~24.04.1USN-8183-2
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-azure6.17.0-1013.13UBUNTU-CVE-2025-68784
Ubuntu:25.10linux-azure6.17.0-1013.13USN-8245-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-6.176.17.0-1013.13~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-6.176.17.0-1013.13~24.04.1USN-8245-1
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-gcp6.17.0-1012.12UBUNTU-CVE-2025-68784
Ubuntu:25.10linux-gcp6.17.0-1012.12USN-8183-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1012.12~24.04.1USN-8183-1
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1012.12~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-hwe-6.176.17.0-22.22~24.04.1USN-8183-2
Ubuntu:24.04:LTSlinux-hwe-6.176.17.0-22.22~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1018.18UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1020.20UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1020.20USN-8245-1
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-oracle6.17.0-1011.11USN-8183-2
Ubuntu:25.10linux-oracle6.17.0-1011.11UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1011.11~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1011.11~24.04.1USN-8183-2
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-raspi6.17.0-1013.13UBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-realtime6.17.0-1010.11UBUNTU-CVE-2025-68784
Ubuntu:25.10linux-realtime6.17.0-1010.11USN-8177-1
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-68784
Ubuntu:25.10linux-riscv6.17.0-22.22.1UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-68784
Ubuntu:24.04:LTSlinux-riscv-6.176.17.0-22.22.1~24.04.1UBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-68784
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-68784

Affected products (as reported)

VendorProductVersions
Linux Linux e47dcf113ae348678143cc935a1183059c02c9ad – before 1e2d3aa19c7962b9474b22893160cb460494c45fe47dcf113ae348678143cc935a1183059c02c9ad – before d29ed9ff972afe17c215cab171761d7a15d7063fe47dcf113ae348678143cc935a1183059c02c9ad – before 5990fd756943836978ad184aac980e2b36ab7e01
Linux Linux 6.10

References