SB2015032509 - Ubuntu update for linux-source-2.6.15

Description

This security bulletin contains information about 6 vulnerabilities.

1) Information exposure (CVE-ID: CVE-2010-4075)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error within the serial_tiocmset() function in drivers/usb/serial/usb-serial.c, within the uart_wait_modem_status(), uart_get_count() and uart_ioctl() functions in drivers/serial/serial_core.c, within the tty_tiocmset() and tty_ioctl() functions in drivers/char/tty_io.c. A local user can gain access to sensitive information.

2) Information exposure (CVE-ID: CVE-2010-4077)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error within the serial_tiocmset() function in drivers/usb/serial/usb-serial.c, within the uart_wait_modem_status(), uart_get_count() and uart_ioctl() functions in drivers/serial/serial_core.c, within the tty_tiocmset() and tty_ioctl() functions in drivers/char/tty_io.c. A local user can gain access to sensitive information.

3) Information exposure (CVE-ID: CVE-2010-4158)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error. A local user can gain access to sensitive information.

4) Integer overflow (CVE-ID: CVE-2010-4162)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow error. A local user can perform a denial of service (DoS) attack.

5) Improper input validation (CVE-ID: CVE-2010-4163)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation error. A local user can perform a denial of service (DoS) attack.

6) Input validation error (CVE-ID: CVE-2010-4242)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows local users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference) via vectors related to the Bluetooth driver.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-1092-1