How severe is CVE-2024-21478?

CVE-2024-21478 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21478?

CVE-2024-21478 primarily affects Qualcomm Qam8255p Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21478?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21478 have an EU (EUVD) identifier?

Yes. CVE-2024-21478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19187.

When was CVE-2024-21478 published?

CVE-2024-21478 was published on 2024-06-03 and last updated on 2026-06-17.

CVE-2024-21478

CVE-2024-21478 is a medium-severity vulnerability in Qualcomm Qam8255p Firmware with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19187
Weakness: CWE-476
Affected product: Qualcomm Qam8255p Firmware
Published: 2024-06-03
Last modified: 2026-06-17

Description

transient DOS when setting up a fence callback to free a KGSL memory entry object during DMA.

Frequently asked questions

What is CVE-2024-21478?: transient DOS when setting up a fence callback to free a KGSL memory entry object during DMA.
How severe is CVE-2024-21478?: CVE-2024-21478 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21478?: CVE-2024-21478 primarily affects Qualcomm Qam8255p Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21478?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21478 have an EU (EUVD) identifier?: Yes. CVE-2024-21478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19187.
When was CVE-2024-21478 published?: CVE-2024-21478 was published on 2024-06-03 and last updated on 2026-06-17.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2024-bulletin.html

Affected products (12)

cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8770p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8775p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Qam8255p Firmware

CVE-2025-21483 — Critical (CVSS 9.8): Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
CVE-2024-45569 — Critical (CVSS 9.8): Memory corruption while parsing the ML IE due to invalid frame content.
CVE-2023-43553 — Critical (CVSS 9.8): Memory corruption while parsing beacon/probe response frame when AP sends more supported links in MLIE.
CVE-2023-43552 — Critical (CVSS 9.8): Memory corruption while processing MBSSID beacon containing several subelement IE.
CVE-2023-33045 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while parsing a NAN management frame carrying a S3 attribute.
CVE-2023-33028 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.

All CVEs affecting Qualcomm Qam8255p Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →