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CVE-2023-52988— ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_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ALSA hda/via组件在add_secret_dac_path函数中可能访问负索引数组。

CVSS 7.8 · High EPSS 0.28% · P20 Updated Aug 05, 2026

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 16

Vendor	Product	Version Range	Status
Linux	Linux	`30b4503378c976cf66201a1e81820519f6bd79ac< 437e50ef6290ac835d526d0e45f466a0aa69ba1b`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< 6e1f586ddec48d71016b81acf68ba9f49ca54db8`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< d6870f3800dbb212ae8433183ee82f566d067c6c`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< 2b557fa635e7487f638c0f030c305870839eeda2`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< 1b9256c96220bcdba287eeeb90e7c910c77f8c46`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< f011360ad234a07cb6fbcc720fff646a93a9f0d6`	affected
		`30b4503378c976cf66201a1e81820519f6bd79ac< b9cee506da2b7920b5ea02ccd8e78a907d0ee7aa`	affected
		`3.1`	affected
… +8 more rows

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I. Basic Information for CVE-2023-52988

Vulnerability Information

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Vulnerability Title

ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path() snd_hda_get_connections() can return a negative error code. It may lead to accessing 'conn' array at a negative index. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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

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	30b4503378c976cf66201a1e81820519f6bd79ac ~ 437e50ef6290ac835d526d0e45f466a0aa69ba1b	-
Linux	Linux	3.1	-

II. Public POCs for CVE-2023-52988

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2023-52988

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Patches & Fixes for CVE-2023-52988 (1)

🔗 ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path() - kernel/git/stable/linux.git - Linux kernel stable tree Read full article

https://www.cve.org/CVERecord?id=CVE-2023-52988

Same Patch Batch · Linux · 2025-03-27 · 124 CVEs total

CVE-2023-53006	9.8 CRITICAL	cifs: Fix oops due to uncleared server->smbd_conn in reconnect
CVE-2025-21876	8.8 HIGH	iommu/vt-d: Fix suspicious RCU usage
CVE-2025-21890	8.2 HIGH	idpf: fix checksums set in idpf_rx_rsc()
CVE-2023-52981	7.8 HIGH	drm/i915: Fix request ref counting during error capture & debugfs dump
CVE-2025-21889	7.8 HIGH	perf/core: Add RCU read lock protection to perf_iterate_ctx()
CVE-2023-52930	7.8 HIGH	drm/i915: Fix potential bit_17 double-free
CVE-2023-52931	7.8 HIGH	drm/i915: Avoid potential vm use-after-free
CVE-2023-52934	7.8 HIGH	mm/MADV_COLLAPSE: catch !none !huge !bad pmd lookups
CVE-2023-52935	7.8 HIGH	mm/khugepaged: fix ->anon_vma race
CVE-2025-21867	7.8 HIGH	bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()
CVE-2022-49760	7.8 HIGH	mm/hugetlb: fix PTE marker handling in hugetlb_change_protection()
CVE-2023-52973	7.8 HIGH	vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
CVE-2023-52974	7.8 HIGH	scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress
CVE-2023-53009	7.8 HIGH	drm/amdkfd: Add sync after creating vram bo
CVE-2023-53033	7.8 HIGH	netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
CVE-2023-53028	7.8 HIGH	Revert "wifi: mac80211: fix memory leak in ieee80211_if_add()"
CVE-2023-53026	7.8 HIGH	RDMA/core: Fix ib block iterator counter overflow
CVE-2023-53023	7.8 HIGH	net: nfc: Fix use-after-free in local_cleanup()
CVE-2023-53021	7.8 HIGH	net/sched: sch_taprio: fix possible use-after-free
CVE-2023-52987	7.8 HIGH	ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()

Showing top 20 of 124 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux