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CVE-2026-46087— mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()

AI Predicted 3.3 Difficulty: Theoretical EPSS 0.02% · P6

Possible ATT&CK Techniques 1AI

T1562.001

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinux369c415e60732b7c8ed33368891581246f580d7a< 8a62c58411cbd748d7aeab0e5b0963e33ff47a7aaffected
369c415e60732b7c8ed33368891581246f580d7a< 50bc1d7e0f3bb6932c8dc5da0907eead0790176baffected
369c415e60732b7c8ed33368891581246f580d7a< e04ed278d25bf15769800bf6e35c6737f137186faffected
6.17affected
< 6.17unaffected
6.18.27≤ 6.18.*unaffected
7.0.4≤ 7.0.*unaffected
7.1-rc1≤ *unaffected
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I. Basic Information for CVE-2026-46087

Vulnerability Information
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Vulnerability Title
mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start() Destroy the DAMON context and reset the global pointer when damon_start() fails. Otherwise, the context allocated by damon_stat_build_ctx() is leaked, and the stale damon_stat_context pointer will be overwritten on the next enable attempt, making the old allocation permanently unreachable.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于damon_stat_start()在damon_start()失败时未销毁DAMON上下文并重置全局指针，可能导致内存泄漏。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 369c415e60732b7c8ed33368891581246f580d7a ~ 8a62c58411cbd748d7aeab0e5b0963e33ff47a7a -
LinuxLinux 6.17 -

II. Public POCs for CVE-2026-46087

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III. Intelligence Information for CVE-2026-46087

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Patches & Fixes for CVE-2026-46087 (3)

Same Patch Batch · Linux · 2026-05-27 · 276 CVEs total

CVE-2026-458989.8 CRITICALRDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-459729.8 CRITICALsmb: client: fix potential UAF and double free in smb2_open_file()
CVE-2026-460399.8 CRITICALrxgk: Fix potential integer overflow in length check
CVE-2026-459889.8 CRITICALrxrpc: Fix re-decryption of RESPONSE packets
CVE-2026-460439.1 CRITICALRDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
CVE-2026-460568.8 HIGHBluetooth: hci_event: fix potential UAF in SSP passkey handlers
CVE-2026-459458.8 HIGHiommu/vt-d: Fix race condition during PASID entry replacement
CVE-2026-460378.2 HIGHipv4: icmp: validate reply type before using icmp_pointers
CVE-2026-458438.2 HIGHslip: bound decode() reads against the compressed packet length
CVE-2026-460108.1 HIGHrxrpc: Fix error handling in rxgk_extract_token()
CVE-2026-460998.1 HIGHnet: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
CVE-2026-460767.9 HIGHKVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
CVE-2026-459427.8 HIGHext4: fix e4b bitmap inconsistency reports
CVE-2026-459707.8 HIGHbonding: alb: fix UAF in rlb_arp_recv during bond up/down
CVE-2026-459807.8 HIGHaccel/amdxdna: Stop job scheduling across aie2_release_resource()
CVE-2026-459517.8 HIGHbpf: Fix a potential use-after-free of BTF object
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
CVE-2026-460367.8 HIGHvfio/cdx: Serialize VFIO_DEVICE_SET_IRQS with a per-device mutex
CVE-2026-459317.8 HIGHaccel/amdxdna: Hold mm structure across iommu_sva_unbind_device()
CVE-2026-460657.8 HIGHfbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info

Showing top 20 of 276 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46087

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