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CVE-2024-58084— firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()

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，该漏洞源于缺少读取屏障，可能导致读取过时的变量值。

AI Predicted 7.8 Difficulty: Hard EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 449d0d84bcd8246b508d07995326d13c54488b8c< fee921e3c641f64185abee83f9a6e65f0b380682 affected
449d0d84bcd8246b508d07995326d13c54488b8c< e03db7c1255ebabba5e1a447754faeb138de15a2 affected
449d0d84bcd8246b508d07995326d13c54488b8c< b628510397b5cafa1f5d3e848a28affd1c635302 affected
6.11 affected
< 6.11 unaffected
6.12.14≤ 6.12.* unaffected
6.13.3≤ 6.13.* unaffected
6.14≤ * unaffected
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I. Basic Information for CVE-2024-58084

Vulnerability Information
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Vulnerability Title
firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool() Commit 2e4955167ec5 ("firmware: qcom: scm: Fix __scm and waitq completion variable initialization") introduced a write barrier in probe function to store global '__scm' variable. We all known barriers are paired (see memory-barriers.txt: "Note that write barriers should normally be paired with read or address-dependency barriers"), therefore accessing it from concurrent contexts requires read barrier. Previous commit added such barrier in qcom_scm_is_available(), so let's use that directly. Lack of this read barrier can result in fetching stale '__scm' variable value, NULL, and dereferencing it. Note that barrier in qcom_scm_is_available() satisfies here the control dependency.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于缺少读取屏障，可能导致读取过时的变量值。
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 449d0d84bcd8246b508d07995326d13c54488b8c ~ fee921e3c641f64185abee83f9a6e65f0b380682 -
Linux Linux 6.11 -

II. Public POCs for CVE-2024-58084

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III. Intelligence Information for CVE-2024-58084

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Patches & Fixes for CVE-2024-58084 (3)

Same Patch Batch · Linux · 2025-03-06 · 46 CVEs total

CVE-2025-21829 9.8 CRITICAL RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]"
CVE-2025-21828 8.8 HIGH wifi: mac80211: don't flush non-uploaded STAs
CVE-2024-58075 7.8 HIGH crypto: tegra - do not transfer req when tegra init fails
CVE-2024-58060 7.8 HIGH bpf: Reject struct_ops registration that uses module ptr and the module btf_id is missing
CVE-2024-58086 7.8 HIGH drm/v3d: Stop active perfmon if it is being destroyed
CVE-2025-21827 7.8 HIGH Bluetooth: btusb: mediatek: Add locks for usb_driver_claim_interface()
CVE-2024-58079 7.8 HIGH media: uvcvideo: Fix crash during unbind if gpio unit is in use
CVE-2025-21826 7.8 HIGH netfilter: nf_tables: reject mismatching sum of field_len with set key length
CVE-2024-58070 7.8 HIGH bpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT
CVE-2024-58083 7.8 HIGH KVM: Explicitly verify target vCPU is online in kvm_get_vcpu()
CVE-2025-21825 7.8 HIGH bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT
CVE-2025-21832 7.8 HIGH block: don't revert iter for -EIOCBQUEUED
CVE-2024-58069 7.8 HIGH rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read
CVE-2024-58053 7.5 HIGH rxrpc: Fix handling of received connection abort
CVE-2025-21830 7.3 HIGH landlock: Handle weird files
CVE-2024-58062 wifi: iwlwifi: mvm: avoid NULL pointer dereference
CVE-2024-58063 wifi: rtlwifi: fix memory leaks and invalid access at probe error path
CVE-2024-58073 drm/msm/dpu: check dpu_plane_atomic_print_state() for valid sspp
CVE-2024-58064 wifi: cfg80211: tests: Fix potential NULL dereference in test_cfg80211_parse_colocated_ap(
CVE-2024-58061 wifi: mac80211: prohibit deactivating all links

Showing top 20 of 46 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-58084

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