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CVE-2026-53287— audit: fix incorrect inheritable capability in CAPSET records

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的操作系统Linux所使用的内核。 Linux kernel 2.6.29版本存在安全漏洞，该漏洞源于auditsc.c文件中的复制粘贴错误导致CAPSET记录中可继承能力字段记录错误，可能使攻击者修改可继承能力后审计记录被掩盖。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1070 · Indicator Removal

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e68b75a027bb94066576139ee33676264f867b87< 75bd76c9eb2de9afeca03dc5152ebca5fb8fc816 affected
e68b75a027bb94066576139ee33676264f867b87< febb4bf373ac565d3fb8d1f429827bdd983be496 affected
e68b75a027bb94066576139ee33676264f867b87< 95de7bb4bf535a9288549d401ebde83cdcbf2792 affected
e68b75a027bb94066576139ee33676264f867b87< 151ee470edc3d7ed29fe72df678f8357d2ad8ced affected
e68b75a027bb94066576139ee33676264f867b87< 0a065c51a225854768b772a0b733a44d77162582 affected
e68b75a027bb94066576139ee33676264f867b87< e35f3550c5b4fab33103c18654c293cee9850b0a affected
e68b75a027bb94066576139ee33676264f867b87< d782e4d200cd9036ef353eeb29525bfbfd13a14e affected
e68b75a027bb94066576139ee33676264f867b87< e4a640475e43f406fdfd56d370b1f34b0cbbc18d affected
… +10 more rows
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I. Basic Information for CVE-2026-53287

Vulnerability Information
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Vulnerability Title
audit: fix incorrect inheritable capability in CAPSET records
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: audit: fix incorrect inheritable capability in CAPSET records __audit_log_capset() records the effective capability set into the inheritable field due to a copy-paste error. Every CAPSET audit record therefore reports cap_pi (process inheritable) with the value of cap_effective instead of cap_inheritable. This silently corrupts audit data used for compliance and forensic analysis: an attacker who modifies inheritable capabilities to prepare for a privilege-escalating exec would have the change masked in the audit trail. The bug has been present since the original introduction of CAPSET audit records in 2008.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的操作系统Linux所使用的内核。 Linux kernel 2.6.29版本存在安全漏洞，该漏洞源于auditsc.c文件中的复制粘贴错误导致CAPSET记录中可继承能力字段记录错误，可能使攻击者修改可继承能力后审计记录被掩盖。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux e68b75a027bb94066576139ee33676264f867b87 ~ 75bd76c9eb2de9afeca03dc5152ebca5fb8fc816 -
Linux Linux 2.6.29 -

II. Public POCs for CVE-2026-53287

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III. Intelligence Information for CVE-2026-53287

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Patches & Fixes for CVE-2026-53287 (8)

Same Patch Batch · Linux · 2026-06-26 · 47 CVEs total

CVE-2026-53309 9.8 CRITICAL ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison
CVE-2026-53281 8.8 HIGH iommu/vt-d: Avoid NULL pointer dereference or refcount corruption
CVE-2026-53322 8.8 HIGH vfio/pci: Clean up DMABUFs before disabling function
CVE-2026-53300 7.8 HIGH net: enetc: fix NTMP DMA use-after-free issue
CVE-2026-53290 7.8 HIGH drm/xe/eustall: Fix drm_dev_put called before stream disable in close
CVE-2026-53284 7.5 HIGH btrfs: only release the dirty pages io tree after successful writes
CVE-2026-53324 net: mana: Use pci_name() for debugfs directory naming
CVE-2026-53316 drm/amd/ras: Fix NULL deref in ras_core_ras_interrupt_detected()
CVE-2026-53319 blk-wbt: remove WARN_ON_ONCE from wbt_init_enable_default()
CVE-2026-53321 io_uring/napi: cap busy_poll_to 10 msec
CVE-2026-53320 nilfs2: reject zero bd_oblocknr in nilfs_ioctl_mark_blocks_dirty()
CVE-2026-53323 net: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops
CVE-2026-53313 drm/amd/display: Avoid NULL dereference in dc_dmub_srv error paths
CVE-2026-53312 iommu/riscv: Remove overflows on the invalidation path
CVE-2026-53311 fuse: fix uninit-value in fuse_dentry_revalidate()
CVE-2026-53310 soc/tegra: cbb: Fix cross-fabric target timeout lookup
CVE-2026-53308 power: supply: max77705: Free allocated workqueue and fix removal order
CVE-2026-53307 pinctrl: pinconf-generic: Fully validate 'pinmux' property
CVE-2026-53305 usb: typec: ps883x: Fix Oops at unbind
CVE-2026-53306 tty: hvc_iucv: fix off-by-one in number of supported devices

Showing top 20 of 47 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53287

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