Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%

CVE-2021-47096— ALSA: rawmidi - fix the uninitalized user_pversion

EPSS 0.01% · P2
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2021-47096

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ALSA: rawmidi - fix the uninitalized user_pversion
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: rawmidi - fix the uninitalized user_pversion The user_pversion was uninitialized for the user space file structure in the open function, because the file private structure use kmalloc for the allocation. The kernel ALSA sequencer code clears the file structure, so no additional fixes are required. BugLink: https://github.com/alsa-project/alsa-lib/issues/178
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 ALSA rawmidi中的user_pversion未初始化。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 09d23174402da0f10e98da2c61bb5ac8e7d79fdd ~ b398fcbe4de1e1100867fdb6f447c6fbc8fe7085 -
LinuxLinux 5.15 -

II. Public POCs for CVE-2021-47096

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47096

登录查看更多情报信息。

Same Patch Batch · Linux · 2024-03-04 · 26 CVEs total

CVE-2021-47095ipmi: ssif: initialize ssif_info->client early
CVE-2021-47108drm/mediatek: hdmi: Perform NULL pointer check for mtk_hdmi_conf
CVE-2021-47107NFSD: Fix READDIR buffer overflow
CVE-2021-47106netfilter: nf_tables: fix use-after-free in nft_set_catchall_destroy()
CVE-2021-47105ice: xsk: return xsk buffers back to pool when cleaning the ring
CVE-2021-47104IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()
CVE-2021-47103inet: fully convert sk->sk_rx_dst to RCU rules
CVE-2021-47102net: marvell: prestera: fix incorrect structure access
CVE-2021-47101asix: fix uninit-value in asix_mdio_read()
CVE-2021-47100ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler module
CVE-2021-47099veth: ensure skb entering GRO are not cloned.
CVE-2021-47098hwmon: (lm90) Prevent integer overflow/underflow in hysteresis calculations
CVE-2021-47097Input: elantech - fix stack out of bound access in elantech_change_report_id()
CVE-2024-26622tomoyo: fix UAF write bug in tomoyo_write_control()
CVE-2021-47094KVM: x86/mmu: Don't advance iterator after restart due to yielding
CVE-2021-47093platform/x86: intel_pmc_core: fix memleak on registration failure
CVE-2021-47092KVM: VMX: Always clear vmx->fail on emulation_required
CVE-2021-47091mac80211: fix locking in ieee80211_start_ap error path
CVE-2021-47090mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page()
CVE-2021-47089kfence: fix memory leak when cat kfence objects

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

V. Comments for CVE-2021-47096

No comments yet


Leave a comment