Vulnerability Name:

CVE-2021-26348 (CCN-226262)

Assigned:2021-01-29
Published:2022-05-10
Updated:2022-05-19
Summary:Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/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): None
Integrity (I): High
Availibility (A): None
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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:L/A:N/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): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-26348

Source: XF
Type: UNKNOWN
amd-cve202126348-sec-bypass(226262)

Source: CCN
Type: AMD-SB-1028
AMD Server Vulnerabilities - May 2022

Source: MISC
Type: Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028

Vulnerable Configuration:Configuration 1:
  • cpe:/o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7763:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7713p:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7713:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7663:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7643:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_75f3:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7543p:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7543:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7513:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7453:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_74f3:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7443p:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7443:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7413:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_73f3:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7343:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7313p:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7313:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_72f3:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7773x:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7473x:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7573x:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:* (Version < milanpi-sp3_1.0.0.7)
  • AND
  • cpe:/h:amd:epyc_7373x:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7540
    P
    		kernel-firmware-all-20230320-150500.1.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3609
    P
    		libipa_hbac0-1.16.1-4.17.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:511
    P
    		Security update for kernel-firmware (Important)
    2022-06-02
    oval:org.opensuse.security:def:95239
    P
    		Security update for kernel-firmware (Important)
    2022-06-02
    oval:org.opensuse.security:def:900
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:125721
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:126886
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:6056
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:42293
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:127283
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:42389
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-25
    oval:org.opensuse.security:def:118902
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-19
    oval:org.opensuse.security:def:119209
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-19
    oval:org.opensuse.security:def:119399
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-19
    oval:org.opensuse.security:def:118712
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-19
    oval:org.opensuse.security:def:119584
    P
    		Security update for kernel-firmware (Moderate)
    2022-05-19
    BACK
    amd epyc 7763 firmware *
    amd epyc 7763 -
    amd epyc 7713p firmware *
    amd epyc 7713p -
    amd epyc 7713 firmware *
    amd epyc 7713 -
    amd epyc 7663 firmware *
    amd epyc 7663 -
    amd epyc 7643 firmware *
    amd epyc 7643 -
    amd epyc 75f3 firmware *
    amd epyc 75f3 -
    amd epyc 7543p firmware *
    amd epyc 7543p -
    amd epyc 7543 firmware *
    amd epyc 7543 -
    amd epyc 7513 firmware *
    amd epyc 7513 -
    amd epyc 7453 firmware *
    amd epyc 7453 -
    amd epyc 74f3 firmware *
    amd epyc 74f3 -
    amd epyc 7443p firmware *
    amd epyc 7443p -
    amd epyc 7443 firmware *
    amd epyc 7443 -
    amd epyc 7413 firmware *
    amd epyc 7413 -
    amd epyc 73f3 firmware *
    amd epyc 73f3 -
    amd epyc 7343 firmware *
    amd epyc 7343 -
    amd epyc 7313p firmware *
    amd epyc 7313p -
    amd epyc 7313 firmware *
    amd epyc 7313 -
    amd epyc 72f3 firmware *
    amd epyc 72f3 -
    amd epyc 7773x firmware *
    amd epyc 7773x -
    amd epyc 7473x firmware *
    amd epyc 7473x -
    amd epyc 7573x firmware *
    amd epyc 7573x -
    amd epyc 7373x firmware *
    amd epyc 7373x -