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CVE-2021-47446— drm/msm/a4xx: fix error handling in a4xx_gpu_init()

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“ret”被设置为 1，会导致“if (ret != -ENODATA)”的检查不起作用。

CVSS 7.8 · High EPSS 0.21% · P10

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 5785dd7a8ef0de8049f40a1a109de6a1bf17b479< 3962d626eb3e3b23ebb2e2a61537fa764acbfe11 affected
5785dd7a8ef0de8049f40a1a109de6a1bf17b479< 980d74e7d03ccf2eaa11d133416946bd880c7c08 affected
5.11 affected
< 5.11 unaffected
5.14.14≤ 5.14.* unaffected
5.15≤ * unaffected
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I. Basic Information for CVE-2021-47446

Vulnerability Information
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Vulnerability Title
drm/msm/a4xx: fix error handling in a4xx_gpu_init()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xx_gpu_init() This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" cannot be true because "ret" is set to 1.
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“ret”被设置为 1，会导致“if (ret != -ENODATA)”的检查不起作用。
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 5785dd7a8ef0de8049f40a1a109de6a1bf17b479 ~ 3962d626eb3e3b23ebb2e2a61537fa764acbfe11 -
Linux Linux 5.11 -

II. Public POCs for CVE-2021-47446

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III. Intelligence Information for CVE-2021-47446

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Other References for CVE-2021-47446 (2)

Same Patch Batch · Linux · 2024-05-22 · 63 CVEs total

CVE-2021-47496 9.8 CRITICAL net/tls: Fix flipped sign in tls_err_abort() calls
CVE-2021-47478 9.1 CRITICAL isofs: Fix out of bound access for corrupted isofs image
CVE-2021-47450 8.8 HIGH KVM: arm64: Fix host stage-2 PGD refcount
CVE-2021-47433 8.1 HIGH btrfs: fix abort logic in btrfs_replace_file_extents
CVE-2021-47485 7.8 HIGH IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields
CVE-2021-47447 7.8 HIGH drm/msm/a3xx: fix error handling in a3xx_gpu_init()
CVE-2021-47451 7.8 HIGH netfilter: xt_IDLETIMER: fix panic that occurs when timer_type has garbage value
CVE-2021-47492 7.8 HIGH mm, thp: bail out early in collapse_file for writeback page
CVE-2021-47493 7.8 HIGH ocfs2: fix race between searching chunks and release journal_head from buffer_head
CVE-2021-47494 7.8 HIGH cfg80211: fix management registrations locking
CVE-2021-47483 7.8 HIGH regmap: Fix possible double-free in regcache_rbtree_exit()
CVE-2021-47461 7.8 HIGH userfaultfd: fix a race between writeprotect and exit_mmap()
CVE-2021-47459 7.8 HIGH can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
CVE-2021-47448 7.5 HIGH mptcp: fix possible stall on recvmsg()
CVE-2021-47458 7.1 HIGH ocfs2: mount fails with buffer overflow in strlen
CVE-2021-47438 7.1 HIGH net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path
CVE-2021-47465 7.1 HIGH KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()
CVE-2024-36010 igb: Fix string truncation warnings in igb_set_fw_version
CVE-2021-47473 scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()
CVE-2021-47471 drm: mxsfb: Fix NULL pointer dereference crash on unload

Showing top 20 of 63 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47446

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