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CVE-2023-52921— drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()

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，该漏洞源于内存释放后重用。

CVSS 7.8 · High EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 2ebf61f2cfb9a11bc17db30df3e675a4cd7418d3< e08e9dd09809b16f8f8cee8c466841b33d24ed96 affected
2ebf61f2cfb9a11bc17db30df3e675a4cd7418d3< 90e065677e0362a777b9db97ea21d43a39211399 affected
6.2 affected
< 6.2 unaffected
6.4.11≤ 6.4.* unaffected
6.5≤ * unaffected
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I. Basic Information for CVE-2023-52921

Vulnerability Information
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Vulnerability Title
drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix possible UAF in amdgpu_cs_pass1() Since the gang_size check is outside of chunk parsing loop, we need to reset i before we free the chunk data. Suggested by Ye Zhang (@VAR10CK) of Baidu Security.
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，该漏洞源于内存释放后重用。
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 2ebf61f2cfb9a11bc17db30df3e675a4cd7418d3 ~ e08e9dd09809b16f8f8cee8c466841b33d24ed96 -
Linux Linux 6.2 -

II. Public POCs for CVE-2023-52921

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III. Intelligence Information for CVE-2023-52921

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Patches & Fixes for CVE-2023-52921 (1)

Same Patch Batch · Linux · 2024-11-19 · 88 CVEs total

CVE-2024-50286 9.8 CRITICAL ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create
CVE-2024-50283 9.8 CRITICAL ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp
CVE-2024-50276 9.8 CRITICAL net: vertexcom: mse102x: Fix possible double free of TX skb
CVE-2024-53066 9.8 CRITICAL nfs: Fix KMSAN warning in decode_getfattr_attrs()
CVE-2024-53058 9.4 CRITICAL net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data
CVE-2024-53082 8.4 HIGH virtio_net: Add hash_key_length check
CVE-2024-50299 8.2 HIGH sctp: properly validate chunk size in sctp_sf_ootb()
CVE-2024-50293 7.8 HIGH net/smc: do not leave a dangling sk pointer in __smc_create()
CVE-2024-50291 7.8 HIGH media: dvb-core: add missing buffer index check
CVE-2024-50294 7.8 HIGH rxrpc: Fix missing locking causing hanging calls
CVE-2024-50264 7.8 HIGH vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
CVE-2024-50300 7.8 HIGH regulator: rtq2208: Fix uninitialized use of regulator_config
CVE-2024-50288 7.8 HIGH media: vivid: fix buffer overwrite when using > 32 buffers
CVE-2024-53076 7.8 HIGH iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
CVE-2024-53088 7.8 HIGH i40e: fix race condition by adding filter's intermediate sync state
CVE-2024-53080 7.8 HIGH drm/panthor: Lock XArray when getting entries for the VM
CVE-2024-53079 7.8 HIGH mm/thp: fix deferred split unqueue naming and locking
CVE-2024-53057 7.8 HIGH net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT
CVE-2024-53044 7.8 HIGH net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()
CVE-2024-50301 7.8 HIGH security/keys: fix slab-out-of-bounds in key_task_permission

Showing top 20 of 88 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52921

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