Vulnerability Name:

CVE-2021-26384 (CCN-231344)

Assigned:2021-01-29
Published:2022-05-10
Updated:2022-07-29
Summary:A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted SMI Trigger Info data structure, potentially leading to out-of-bounds memory reads and writes when triggering an SMI resulting in a potential loss of resources.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-77
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-26384

Source: XF
Type: UNKNOWN
amd-cve202126384-dos(231344)

Source: CCN
Type: AMD-SB-1027
AMD Client Vulnerabilities – May 2022

Source: MISC
Type: Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027

Vulnerable Configuration:Configuration 1:
  • cpe:/o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_5700g:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_5700ge:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_5600g:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_5600ge:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_3_5300g:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:* (Version < comboam4_v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_3_5300ge:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_9_5980hx:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_9_5980hs:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:amd:ryzen_7_5825u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_7_5825u:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:amd:ryzen_9_5900hx_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_9_5900hx:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:amd:ryzen_9_5900hs_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_9_5900hs:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:amd:ryzen_7_5825c_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_7_5825c:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:amd:ryzen_7_5800h_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_7_5800h:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:amd:ryzen_5_5625u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5625u:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:amd:ryzen_7_5800hs_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_7_5800hs:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:amd:ryzen_5_5625c_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5625c:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:amd:ryzen_5_5600h_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5600h:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:amd:ryzen_5_5600hs_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5600hs:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:amd:ryzen_7_5800u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_7_5800u:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:amd:ryzen_5_5600u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5600u:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:amd:ryzen_5_5560u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_5_5560u:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_3_5425u:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:amd:ryzen_3_5425c_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_3_5425c:-:*:*:*:*:*:*:*

    • Configuration 24:
  • cpe:/o:amd:ryzen_3_5400u_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_3_5400u:-:*:*:*:*:*:*:*

    • Configuration 25:
  • cpe:/o:amd:ryzen_3_5125c_firmware:*:*:*:*:*:*:*:* (Version < cezannepi-fp6_1.0.0.9)
  • AND
  • cpe:/h:amd:ryzen_3_5125c:-:*:*:*:*:*:*:*

    • Configuration 26:
  • cpe:/o:amd:athlon_silver_3050u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:athlon_silver_3050u:-:*:*:*:*:*:*:*

    • Configuration 27:
  • cpe:/o:amd:athlon_gold_3150u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:athlon_gold_3150u:-:*:*:*:*:*:*:*

    • Configuration 28:
  • cpe:/o:amd:ryzen_3_3200u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3200u:-:*:*:*:*:*:*:*

    • Configuration 29:
  • cpe:/o:amd:ryzen_3_3250u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3250u:-:*:*:*:*:*:*:*

    • Configuration 30:
  • cpe:/o:amd:ryzen_3_3300u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3300u:-:*:*:*:*:*:*:*

    • Configuration 31:
  • cpe:/o:amd:ryzen_3_3350u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3350u:-:*:*:*:*:*:*:*

    • Configuration 32:
  • cpe:/o:amd:ryzen_3_3450u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3450u:-:*:*:*:*:*:*:*

    • Configuration 33:
  • cpe:/o:amd:ryzen_3_3500u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3500u:-:*:*:*:*:*:*:*

    • Configuration 34:
  • cpe:/o:amd:ryzen_3_3500c_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3500c:-:*:*:*:*:*:*:*

    • Configuration 35:
  • cpe:/o:amd:ryzen_3_3550h_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3550h:-:*:*:*:*:*:*:*

    • Configuration 36:
  • cpe:/o:amd:ryzen_3_3580u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3580u:-:*:*:*:*:*:*:*

    • Configuration 37:
  • cpe:/o:amd:ryzen_3_3700u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3700u:-:*:*:*:*:*:*:*

    • Configuration 38:
  • cpe:/o:amd:ryzen_3_3700c_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3700c:-:*:*:*:*:*:*:*

    • Configuration 39:
  • cpe:/o:amd:ryzen_3_3750h_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3750h:-:*:*:*:*:*:*:*

    • Configuration 40:
  • cpe:/o:amd:ryzen_3_3780u_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_3_3780u:-:*:*:*:*:*:*:*

    • Configuration 41:
  • cpe:/o:amd:ryzen_3_2200u_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_3_2200u:-:*:*:*:*:*:*:*

    • Configuration 42:
  • cpe:/o:amd:ryzen_3_2300u_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_3_2300u:-:*:*:*:*:*:*:*

    • Configuration 43:
  • cpe:/o:amd:ryzen_5_2500u_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2500u:-:*:*:*:*:*:*:*

    • Configuration 44:
  • cpe:/o:amd:ryzen_5_2600_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2600:-:*:*:*:*:*:*:*

    • Configuration 45:
  • cpe:/o:amd:ryzen_5_2600h_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2600h:-:*:*:*:*:*:*:*

    • Configuration 46:
  • cpe:/o:amd:ryzen_5_2600x_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2600x:-:*:*:*:*:*:*:*

    • Configuration 47:
  • cpe:/o:amd:ryzen_5_2700_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2700:-:*:*:*:*:*:*:*

    • Configuration 48:
  • cpe:/o:amd:ryzen_5_2700x_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_5_2700x:-:*:*:*:*:*:*:*

    • Configuration 49:
  • cpe:/o:amd:ryzen_7_2700_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_2700:-:*:*:*:*:*:*:*

    • Configuration 50:
  • cpe:/o:amd:ryzen_7_2700u_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_2700u:-:*:*:*:*:*:*:*

    • Configuration 51:
  • cpe:/o:amd:ryzen_7_2700x_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:*

    • Configuration 52:
  • cpe:/o:amd:ryzen_7_2800h_firmware:*:*:*:*:*:*:*:* (Version < comboam4v2_pi_1.2.0.6c)
  • AND
  • cpe:/h:amd:ryzen_7_2800h:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:amd:ryzen:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    amd ryzen 7 5700g firmware *
    amd ryzen 7 5700g -
    amd ryzen 7 5700ge firmware *
    amd ryzen 7 5700ge -
    amd ryzen 5 5600g firmware *
    amd ryzen 5 5600g -
    amd ryzen 5 5600ge firmware *
    amd ryzen 5 5600ge -
    amd ryzen 3 5300g firmware *
    amd ryzen 3 5300g -
    amd ryzen 3 5300ge firmware *
    amd ryzen 3 5300ge -
    amd ryzen 9 5980hx firmware *
    amd ryzen 9 5980hx -
    amd ryzen 9 5980hs firmware *
    amd ryzen 9 5980hs -
    amd ryzen 7 5825u firmware *
    amd ryzen 7 5825u -
    amd ryzen 9 5900hx firmware *
    amd ryzen 9 5900hx -
    amd ryzen 9 5900hs firmware *
    amd ryzen 9 5900hs -
    amd ryzen 7 5825c firmware *
    amd ryzen 7 5825c -
    amd ryzen 7 5800h firmware *
    amd ryzen 7 5800h -
    amd ryzen 5 5625u firmware *
    amd ryzen 5 5625u -
    amd ryzen 7 5800hs firmware *
    amd ryzen 7 5800hs -
    amd ryzen 5 5625c firmware *
    amd ryzen 5 5625c -
    amd ryzen 5 5600h firmware *
    amd ryzen 5 5600h -
    amd ryzen 5 5600hs firmware *
    amd ryzen 5 5600hs -
    amd ryzen 7 5800u firmware *
    amd ryzen 7 5800u -
    amd ryzen 5 5600u firmware *
    amd ryzen 5 5600u -
    amd ryzen 5 5560u firmware *
    amd ryzen 5 5560u -
    amd ryzen 3 5425u firmware *
    amd ryzen 3 5425u -
    amd ryzen 3 5425c firmware *
    amd ryzen 3 5425c -
    amd ryzen 3 5400u firmware *
    amd ryzen 3 5400u -
    amd ryzen 3 5125c firmware *
    amd ryzen 3 5125c -
    amd athlon silver 3050u firmware -
    amd athlon silver 3050u -
    amd athlon gold 3150u firmware -
    amd athlon gold 3150u -
    amd ryzen 3 3200u firmware -
    amd ryzen 3 3200u -
    amd ryzen 3 3250u firmware -
    amd ryzen 3 3250u -
    amd ryzen 3 3300u firmware -
    amd ryzen 3 3300u -
    amd ryzen 3 3350u firmware -
    amd ryzen 3 3350u -
    amd ryzen 3 3450u firmware -
    amd ryzen 3 3450u -
    amd ryzen 3 3500u firmware -
    amd ryzen 3 3500u -
    amd ryzen 3 3500c firmware -
    amd ryzen 3 3500c -
    amd ryzen 3 3550h firmware -
    amd ryzen 3 3550h -
    amd ryzen 3 3580u firmware -
    amd ryzen 3 3580u -
    amd ryzen 3 3700u firmware -
    amd ryzen 3 3700u -
    amd ryzen 3 3700c firmware -
    amd ryzen 3 3700c -
    amd ryzen 3 3750h firmware -
    amd ryzen 3 3750h -
    amd ryzen 3 3780u firmware -
    amd ryzen 3 3780u -
    amd ryzen 3 2200u firmware *
    amd ryzen 3 2200u -
    amd ryzen 3 2300u firmware *
    amd ryzen 3 2300u -
    amd ryzen 5 2500u firmware *
    amd ryzen 5 2500u -
    amd ryzen 5 2600 firmware *
    amd ryzen 5 2600 -
    amd ryzen 5 2600h firmware *
    amd ryzen 5 2600h -
    amd ryzen 5 2600x firmware *
    amd ryzen 5 2600x -
    amd ryzen 5 2700 firmware *
    amd ryzen 5 2700 -
    amd ryzen 5 2700x firmware *
    amd ryzen 5 2700x -
    amd ryzen 7 2700 firmware *
    amd ryzen 7 2700 -
    amd ryzen 7 2700u firmware *
    amd ryzen 7 2700u -
    amd ryzen 7 2700x firmware *
    amd ryzen 7 2700x -
    amd ryzen 7 2800h firmware *
    amd ryzen 7 2800h -
    amd ryzen *