Vulnerability Name:

CVE-2021-1958 (CCN-209126)

Assigned:2020-12-08
Published:2021-09-06
Updated:2022-06-28
Summary:A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables
CVSS v3 Severity:6.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/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): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-362
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-1958

Source: XF
Type: UNKNOWN
qualcomm-cve20211958-code-exec(209126)

Source: CCN
Type: Qualcomm Web site
September 2021 Security Bulletin

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin

Vulnerable Configuration:Configuration 1:
  • cpe:/o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6574a:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6574au:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6595:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6595au:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6696:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6145p:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6150p:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6155p:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8145p:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8150p:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8155:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8155p:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8195p:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd480:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd778g:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:qualcomm:sd780g_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd780g:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:qualcomm:sd888_5g_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd888_5g:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:qualcomm:sda429w_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sda429w:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:qualcomm:sm7325_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sm7325:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9341:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9370:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9375:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9380:-:*:*:*:*:*:*:*

    • Configuration 24:
  • cpe:/o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9385:-:*:*:*:*:*:*:*

    • Configuration 25:
  • cpe:/o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3610:-:*:*:*:*:*:*:*

    • Configuration 26:
  • cpe:/o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3620:-:*:*:*:*:*:*:*

    • Configuration 27:
  • cpe:/o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3660b:-:*:*:*:*:*:*:*

    • Configuration 28:
  • cpe:/o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3980:-:*:*:*:*:*:*:*

    • Configuration 29:
  • cpe:/o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3988:-:*:*:*:*:*:*:*

    • Configuration 30:
  • cpe:/o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3991:-:*:*:*:*:*:*:*

    • Configuration 31:
  • cpe:/o:qualcomm:wcn6740_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6740:-:*:*:*:*:*:*:*

    • Configuration 32:
  • cpe:/o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6750:-:*:*:*:*:*:*:*

    • Configuration 33:
  • cpe:/o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6850:-:*:*:*:*:*:*:*

    • Configuration 34:
  • cpe:/o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6851:-:*:*:*:*:*:*:*

    • Configuration 35:
  • cpe:/o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6855:-:*:*:*:*:*:*:*

    • Configuration 36:
  • cpe:/o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6856:-:*:*:*:*:*:*:*

    • Configuration 37:
  • cpe:/o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8830:-:*:*:*:*:*:*:*

    • Configuration 38:
  • cpe:/o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8835:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:qualcomm:snapdragon_mobile:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_auto:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_compute:-:*:*:*:*:*:*:*
  • OR cpe:/o:qualcomm:snapdragon_wearables:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    qualcomm qca6574a firmware -
    qualcomm qca6574a -
    qualcomm qca6574au firmware -
    qualcomm qca6574au -
    qualcomm qca6595 firmware -
    qualcomm qca6595 -
    qualcomm qca6595au firmware -
    qualcomm qca6595au -
    qualcomm qca6696 firmware -
    qualcomm qca6696 -
    qualcomm sa6145p firmware -
    qualcomm sa6145p -
    qualcomm sa6150p firmware -
    qualcomm sa6150p -
    qualcomm sa6155p firmware -
    qualcomm sa6155p -
    qualcomm sa8145p firmware -
    qualcomm sa8145p -
    qualcomm sa8150p firmware -
    qualcomm sa8150p -
    qualcomm sa8155 firmware -
    qualcomm sa8155 -
    qualcomm sa8155p firmware -
    qualcomm sa8155p -
    qualcomm sa8195p firmware -
    qualcomm sa8195p -
    qualcomm sd480 firmware -
    qualcomm sd480 -
    qualcomm sd778g firmware -
    qualcomm sd778g -
    qualcomm sd780g firmware -
    qualcomm sd780g -
    qualcomm sd888 5g firmware -
    qualcomm sd888 5g -
    qualcomm sda429w firmware -
    qualcomm sda429w -
    qualcomm sm7325 firmware -
    qualcomm sm7325 -
    qualcomm wcd9341 firmware -
    qualcomm wcd9341 -
    qualcomm wcd9370 firmware -
    qualcomm wcd9370 -
    qualcomm wcd9375 firmware -
    qualcomm wcd9375 -
    qualcomm wcd9380 firmware -
    qualcomm wcd9380 -
    qualcomm wcd9385 firmware -
    qualcomm wcd9385 -
    qualcomm wcn3610 firmware -
    qualcomm wcn3610 -
    qualcomm wcn3620 firmware -
    qualcomm wcn3620 -
    qualcomm wcn3660b firmware -
    qualcomm wcn3660b -
    qualcomm wcn3980 firmware -
    qualcomm wcn3980 -
    qualcomm wcn3988 firmware -
    qualcomm wcn3988 -
    qualcomm wcn3991 firmware -
    qualcomm wcn3991 -
    qualcomm wcn6740 firmware -
    qualcomm wcn6740 -
    qualcomm wcn6750 firmware -
    qualcomm wcn6750 -
    qualcomm wcn6850 firmware -
    qualcomm wcn6850 -
    qualcomm wcn6851 firmware -
    qualcomm wcn6851 -
    qualcomm wcn6855 firmware -
    qualcomm wcn6855 -
    qualcomm wcn6856 firmware -
    qualcomm wcn6856 -
    qualcomm wsa8830 firmware -
    qualcomm wsa8830 -
    qualcomm wsa8835 firmware -
    qualcomm wsa8835 -
    qualcomm snapdragon mobile -
    qualcomm snapdragon auto -
    qualcomm snapdragon compute -
    qualcomm snapdragon wearables -