How severe is CVE-2022-40279?

CVE-2022-40279 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-40279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40279?

CVE-2022-40279 primarily affects Samsung Tizenrt. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40279?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40279 published?

CVE-2022-40279 was published on 2022-09-29 and last updated on 2026-06-17.

CVE-2022-40279

CVE-2022-40279 is a high-severity vulnerability in Samsung Tizenrt with a CVSS 3.x base score of 7.5. 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-252.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-252
Affected product: Samsung Tizenrt
Published: 2022-09-29
Last modified: 2026-06-17

Description

An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). l2_packet_receive_timeout in wpa_supplicant/src/l2_packet/l2_packet_pcap.c has a missing check on the return value of pcap_dispatch, leading to a denial of service (malfunction).

Frequently asked questions

What is CVE-2022-40279?: An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). l2_packet_receive_timeout in wpa_supplicant/src/l2_packet/l2_packet_pcap.c has a missing check on the return value of pcap_dispatch, leading to a denial of service (malfunction).
How severe is CVE-2022-40279?: CVE-2022-40279 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40279?: CVE-2022-40279 primarily affects Samsung Tizenrt. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40279 published?: CVE-2022-40279 was published on 2022-09-29 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:samsung:tizenrt:1.0:m1:*:*:*:*:*:*
cpe:2.3:o:samsung:tizenrt:1.1:*:*:*:*:*:*:*
cpe:2.3:o:samsung:tizenrt:2.0:gbm_m1:*:*:*:*:*:*
cpe:2.3:o:samsung:tizenrt:2.0:m2:*:*:*:*:*:*
cpe:2.3:o:samsung:tizenrt:3.0:gbm:*:*:*:*:*:*
cpe:2.3:o:samsung:tizenrt:3.1:pre:*:*:*:*:*:*

More vulnerabilities in Samsung Tizenrt

CVE-2022-40278 — High (CVSS 7.5): An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). createDB in…
CVE-2022-40281 — High (CVSS 7.5): An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). cyassl_connect_step2 in curl/vtls/cyassl.c…
CVE-2022-40280 — High (CVSS 7.5): An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). createDB in…
CVE-2021-22684 — High (CVSS 7.5): Tizen RT RTOS version 3.0.GBB is vulnerable to integer wrap-around in functions_calloc and mm_zalloc. This improper…

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