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CVE-2023-53084— drm/shmem-helper: Remove another errant put in error path

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drm_gem_shmem_mmap在错误路径中错误释放引用。

CVSS 7.8 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1206

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a< 684c7372bbd6447c2e86a2a84e97a1478604d21f affected
f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a< 5cfb617967b05f8f27e862c97db1fabd8485f4db affected
f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a< dede8c14a37a7ac458f9add56154a074ed78e7cf affected
f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a< 77d26c824aa5a7e0681ef1d5b75fe538d746addc affected
f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a< ee9adb7a45516cfa536ca92253d7ae59d56db9e4 affected
4655afcf0e3874af03afff8c8704b52350bdba47 affected
5.9.5< 5.10 affected
5.10 affected
… +6 more rows
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I. Basic Information for CVE-2023-53084

Vulnerability Information
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Vulnerability Title
drm/shmem-helper: Remove another errant put in error path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove another errant put in error path drm_gem_shmem_mmap() doesn't own reference in error code path, resulting in the dma-buf shmem GEM object getting prematurely freed leading to a later use-after-free.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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drm_gem_shmem_mmap在错误路径中错误释放引用。
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 f49a51bfdc8ea717c97ccd4cc98b7e6daaa5553a ~ 684c7372bbd6447c2e86a2a84e97a1478604d21f -
Linux Linux 5.10 -

II. Public POCs for CVE-2023-53084

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III. Intelligence Information for CVE-2023-53084

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Patches & Fixes for CVE-2023-53084 (5)

Same Patch Batch · Linux · 2025-05-02 · 107 CVEs total

CVE-2023-53116 9.8 CRITICAL nvmet: avoid potential UAF in nvmet_req_complete()
CVE-2023-53083 9.8 CRITICAL nfsd: don't replace page in rq_pages if it's a continuation of last page
CVE-2023-53086 8.8 HIGH wifi: mt76: connac: do not check WED status for non-mmio devices
CVE-2025-37798 7.8 HIGH codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()
CVE-2023-53138 7.8 HIGH net: caif: Fix use-after-free in cfusbl_device_notify()
CVE-2023-53111 7.8 HIGH loop: Fix use-after-free issues
CVE-2023-53107 7.8 HIGH veth: Fix use after free in XDP_REDIRECT
CVE-2023-53102 7.8 HIGH ice: xsk: disable txq irq before flushing hw
CVE-2023-53100 7.8 HIGH ext4: fix WARNING in ext4_update_inline_data
CVE-2023-53094 7.8 HIGH tty: serial: fsl_lpuart: fix race on RX DMA shutdown
CVE-2023-53090 7.8 HIGH drm/amdkfd: Fix an illegal memory access
CVE-2023-53088 7.8 HIGH mptcp: fix UaF in listener shutdown
CVE-2023-53087 7.8 HIGH drm/i915/active: Fix misuse of non-idle barriers as fence trackers
CVE-2023-53080 7.8 HIGH xsk: Add missing overflow check in xdp_umem_reg
CVE-2023-53072 7.8 HIGH mptcp: use the workqueue to destroy unaccepted sockets
CVE-2023-53065 7.8 HIGH perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output
CVE-2023-53057 7.8 HIGH Bluetooth: HCI: Fix global-out-of-bounds
CVE-2023-53052 7.8 HIGH cifs: fix use-after-free bug in refresh_cache_worker()
CVE-2023-53047 7.8 HIGH tee: amdtee: fix race condition in amdtee_open_session
CVE-2023-53039 7.8 HIGH HID: intel-ish-hid: ipc: Fix potential use-after-free in work function

Showing top 20 of 107 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53084

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