CVE-2025-39743

jfs: truncate good inode pages when hard link is 0

CVE-2025-39743 is fixed in 32 products on 1 platform, first by DEBIAN-CVE-2025-39743, released September 11, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
8th percentile

In the Linux kernel, the following vulnerability has been resolved: jfs: truncate good inode pages when hard link is 0 The fileset value of the inode copy from the disk by the reproducer is AGGR_RESERVED_I. When executing evict, its hard link number is 0, so its inode pages are not truncated. This causes the bugon to be triggered when executing clear_inode() because nrpages is greater than 0.

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-64kb · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-64kb · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-64kb · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-azure · opensuse-leap 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-azure · sles 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-azure · sles 15.7 6.4.0-150700.20.18.1 SUSE-SU-2025:4132-1 Nov 18, 2025
kernel-debug · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-default · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-default · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-default · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-default-base · opensuse-leap 15.6 6.4.0-150600.23.73.1.150600.12.32.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-default-base · sles 15.6 6.4.0-150600.23.73.1.150600.12.32.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-default-base · sles 15.7 6.4.0-150700.53.22.1.150700.17.15.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-docs · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-docs · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-docs · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-kvmsmall · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-livepatch-SLE15-SP6-RT_Update_16 · sles 15.6 1-150600.1.3.1 SUSE-SU-2025:3751-1 Oct 23, 2025
kernel-livepatch-SLE15-SP6_Update_16 · sles 15.6 1-150600.13.3.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-livepatch-SLE15-SP7-RT_Update_6 · sles 15.7 1-150700.1.3.1 SUSE-SU-2025:4141-1 Nov 19, 2025
kernel-livepatch-SLE15-SP7_Update_6 · sles 15.7 1-150700.15.3.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-obs-build · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-obs-build · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-obs-build · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-obs-qa · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-rt · opensuse-leap 15.6 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1 Oct 23, 2025
kernel-rt_debug · opensuse-leap 15.6 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1 Oct 23, 2025
kernel-source · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-source · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-source · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-source-azure · opensuse-leap 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-source-azure · sles 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-source-azure · sles 15.7 6.4.0-150700.20.18.1 SUSE-SU-2025:4132-1 Nov 18, 2025
kernel-source-rt · opensuse-leap 15.6 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1 Oct 23, 2025
kernel-syms · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-syms · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-syms · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
kernel-syms-azure · opensuse-leap 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-syms-azure · sles 15.6 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1 Oct 17, 2025
kernel-syms-azure · sles 15.7 6.4.0-150700.20.18.1 SUSE-SU-2025:4132-1 Nov 18, 2025
kernel-syms-rt · opensuse-leap 15.6 6.4.0-150600.10.55.1 SUSE-SU-2025:3751-1 Oct 23, 2025
kernel-uek · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-container · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-container-debug · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-debug · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-debug-devel · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-devel · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-doc · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-uek-tools · ol 8 0:5.4.17-2136.348.3.el7uek ELSA-2025-20663 Oct 11, 2025
kernel-zfcpdump · opensuse-leap 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-zfcpdump · sles 15.6 6.4.0-150600.23.73.1 SUSE-SU-2025:03600-1 Oct 15, 2025
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.22.1 SUSE-SU-2025:4057-1 Nov 11, 2025
linux · Debian 12.15 (bookworm) 6.1.153-1 DEBIAN-CVE-2025-39743 Sep 11, 2025
linux · Debian 13.5 (trixie) 6.12.43-1 DEBIAN-CVE-2025-39743 Sep 11, 2025
linux · Debian 14 6.16.3-1 DEBIAN-CVE-2025-39743 Sep 11, 2025

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