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CVE-2025-21995— drm/sched: Fix fence reference count leak

EPSS 0.07% · P20
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I. Basic Information for CVE-2025-21995

Vulnerability Information
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Vulnerability Title
drm/sched: Fix fence reference count leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The last_scheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dma_fence_add_callback() fails, ensuring proper balance. [phasta: add git tag info for stable kernel]
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，该漏洞源于栅栏引用计数泄漏。
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 2fdb8a8f07c2f1353770a324fd19b8114e4329ac ~ c76bd3c99293834de7d1dca5de536616d5655e38 -
LinuxLinux 6.2 -

II. Public POCs for CVE-2025-21995

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III. Intelligence Information for CVE-2025-21995

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Same Patch Batch · Linux · 2025-04-03 · 13 CVEs total

CVE-2025-22007Bluetooth: Fix error code in chan_alloc_skb_cb()
CVE-2025-22006net: ethernet: ti: am65-cpsw: Fix NAPI registration sequence
CVE-2025-22005ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().
CVE-2025-22004net: atm: fix use after free in lec_send()
CVE-2025-22003can: ucan: fix out of bound read in strscpy() source
CVE-2025-22002netfs: Call `invalidate_cache` only if implemented
CVE-2025-22000mm/huge_memory: drop beyond-EOF folios with the right number of refs
CVE-2025-22001accel/qaic: Fix integer overflow in qaic_validate_req()
CVE-2025-21999proc: fix UAF in proc_get_inode()
CVE-2025-21998firmware: qcom: uefisecapp: fix efivars registration race
CVE-2025-21997xsk: fix an integer overflow in xp_create_and_assign_umem()
CVE-2025-21996drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse()

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21995

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