CVE-2023-54143 (GCVE-0-2023-54143)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06
VLAI?
Title
media: mediatek: vcodec: fix resource leaks in vdec_msg_queue_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: fix resource leaks in vdec_msg_queue_init() If we encounter any error in the vdec_msg_queue_init() then we need to set "msg_queue->wdma_addr.size = 0;". Normally, this is done inside the vdec_msg_queue_deinit() function. However, if the first call to allocate &msg_queue->wdma_addr fails, then the vdec_msg_queue_deinit() function is a no-op. For that situation, just set the size to zero explicitly and return. There were two other error paths which did not clean up before returning. Change those error paths to goto mem_alloc_err.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b199fe46f35c57a415acd4d5295b0f4e35048c11 , < 858322c409e0aba8f70810d23f35c482744f007c (git)
Affected: b199fe46f35c57a415acd4d5295b0f4e35048c11 , < b7dbc27301f560c3b915235c53383155b3512083 (git)
Affected: b199fe46f35c57a415acd4d5295b0f4e35048c11 , < 451dc187cadd47771e5d9434fe220fad7be84057 (git)
Affected: b199fe46f35c57a415acd4d5295b0f4e35048c11 , < cf10b0bb503c974ba049d6f888b21178be20a962 (git)
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    Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.1.53 , ≤ 6.1.* (semver)
Unaffected: 6.4.16 , ≤ 6.4.* (semver)
Unaffected: 6.5.3 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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            "drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mediatek: vcodec: fix resource leaks in vdec_msg_queue_init()\n\nIf we encounter any error in the vdec_msg_queue_init() then we need\nto set \"msg_queue-\u003ewdma_addr.size = 0;\".  Normally, this is done\ninside the vdec_msg_queue_deinit() function.  However, if the\nfirst call to allocate \u0026msg_queue-\u003ewdma_addr fails, then the\nvdec_msg_queue_deinit() function is a no-op.  For that situation, just\nset the size to zero explicitly and return.\n\nThere were two other error paths which did not clean up before returning.\nChange those error paths to goto mem_alloc_err."
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    "cveId": "CVE-2023-54143",
    "datePublished": "2025-12-24T13:06:56.869Z",
    "dateReserved": "2025-12-24T13:02:52.523Z",
    "dateUpdated": "2025-12-24T13:06:56.869Z",
    "state": "PUBLISHED"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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