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osvGoogleOSV:DSA-1844-1
HistoryJul 28, 2009 - 12:00 a.m.

linux-2.6.24 - several vulnerabilities

2009-07-2800:00:00
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osv.dev
14

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.104 Low

EPSS

Percentile

95.0%

Several vulnerabilities have been discovered in the Linux kernel that
may lead to a denial of service or privilege escalation. The Common
Vulnerabilities and Exposures project identifies the following
problems:

  • CVE-2009-1385
    Neil Horman discovered a missing fix from the e1000 network driver.
    A remote user may cause a denial of service by way of a kernel panic
    triggered by specially crafted frame sizes.
  • CVE-2009-1389
    Michael Tokarev discovered an issue in the r8169 network driver.
    Remote users on the same LAN may cause a denial of service by way
    of a kernel panic triggered by receiving a large size frame.
  • CVE-2009-1630
    Frank Filz discovered that local users may be able to execute
    files without execute permission when accessed via an nfs4 mount.
  • CVE-2009-1633
    Jeff Layton and Suresh Jayaraman fixed several buffer overflows in
    the CIFS filesystem which allow remote servers to cause memory
    corruption.
  • CVE-2009-1895
    Julien Tinnes and Tavis Ormandy reported an issue in the Linux
    personality code. Local users can take advantage of a setuid
    binary that can either be made to dereference a NULL pointer or
    drop privileges and return control to the user. This allows a
    user to bypass mmap_min_addr restrictions which can be exploited
    to execute arbitrary code.
  • CVE-2009-1914
    Mikulas Patocka discovered an issue in sparc64 kernels that allows
    local users to cause a denial of service (crash) by reading the
    /proc/iomem file.
  • CVE-2009-1961
    Miklos Szeredi reported an issue in the ocfs2 filesystem. Local
    users can create a denial of service (filesystem deadlock) using
    a particular sequence of splice system calls.
  • CVE-2009-2406
    CVE-2009-2407
    Ramon de Carvalho Valle discovered two issues with the eCryptfs
    layered filesystem using the fsfuzzer utility. A local user with
    permissions to perform an eCryptfs mount may modify the contents
    of a eCryptfs file, overflowing the stack and potentially gaining
    elevated privileges.

For the stable distribution (etch), these problems have been fixed in
version 2.6.24-6~etchnhalf.8etch2.

We recommend that you upgrade your linux-2.6.24 packages.

Note: Debian ‘etch’ includes linux kernel packages based upon both the
2.6.18 and 2.6.24 linux releases. All known security issues are
carefully tracked against both packages and both packages will receive
security updates until security support for Debian ‘etch’
concludes. However, given the high frequency at which low-severity
security issues are discovered in the kernel and the resource
requirements of doing an update, lower severity 2.6.18 and 2.6.24
updates will typically release in a staggered or “leap-frog” fashion.

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.104 Low

EPSS

Percentile

95.0%