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Security Advisory kernel security update

Advisory: RHSA-2005:366-21
Type: Security Advisory
Severity: Important
Issued on: 2005-04-19
Last updated on: 2005-08-09
Affected Products: Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
CVEs (cve.mitre.org): CVE-2005-0135
CVE-2005-0207
CVE-2005-0210
CVE-2005-0384
CVE-2005-0400
CVE-2005-0449
CVE-2005-0529
CVE-2005-0530
CVE-2005-0531
CVE-2005-0736
CVE-2005-0749
CVE-2005-0750
CVE-2005-0767
CVE-2005-0815
CVE-2005-0839
CVE-2005-0867
CVE-2005-0977
CVE-2005-1041

Details

Updated kernel packages that fix several security issues are now available
for Red Hat Enterprise Linux 4.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

[Updated 9 August 2005]
The advisory text has been updated to show that this update fixed the
security issue named CAN-2005-0210 but not CAN-2005-0209. The issue
CAN-2005-0209 was actually fixed by RHSA-2005:420. No changes have been
made to the packages associated with this advisory.

The Linux kernel handles the basic functions of the operating system.

A flaw in the fib_seq_start function was discovered. A local user could use
this flaw to cause a denial of service (system crash) via /proc/net/route.
(CAN-2005-1041)

A flaw in the tmpfs file system was discovered. A local user could use this
flaw to cause a denial of service (system crash). (CAN-2005-0977)

An integer overflow flaw was found when writing to a sysfs file. A local
user could use this flaw to overwrite kernel memory, causing a denial of
service (system crash) or arbitrary code execution. (CAN-2005-0867)

Keith Owens reported a flaw in the Itanium unw_unwind_to_user function. A
local user could use this flaw to cause a denial of service (system crash)
on Itanium architectures. (CAN-2005-0135)

A flaw in the NFS client O_DIRECT error case handling was discovered. A
local user could use this flaw to cause a denial of service (system crash).
(CAN-2005-0207)

A small memory leak when defragmenting local packets was discovered that
affected the Linux 2.6 kernel netfilter subsystem. A local user could send
a large number of carefully crafted fragments leading to memory exhaustion
(CAN-2005-0210)

A flaw was discovered in the Linux PPP driver. On systems allowing remote
users to connect to a server using ppp, a remote client could cause a
denial of service (system crash). (CAN-2005-0384)

A flaw was discovered in the ext2 file system code. When a new directory is
created, the ext2 block written to disk is not initialized, which could
lead to an information leak if a disk image is made available to
unprivileged users. (CAN-2005-0400)

A flaw in fragment queuing was discovered that affected the Linux kernel
netfilter subsystem. On systems configured to filter or process network
packets (e.g. firewalling), a remote attacker could send a carefully
crafted set of fragmented packets to a machine and cause a denial of
service (system crash). In order to sucessfully exploit this flaw, the
attacker would need to know or guess some aspects of the firewall ruleset
on the target system. (CAN-2005-0449)

A number of flaws were found in the Linux 2.6 kernel. A local user could
use these flaws to read kernel memory or cause a denial of service (crash).
(CAN-2005-0529, CAN-2005-0530, CAN-2005-0531)

An integer overflow in sys_epoll_wait in eventpoll.c was discovered. A
local user could use this flaw to overwrite low kernel memory. This memory
is usually unused, not usually resulting in a security consequence.
(CAN-2005-0736)

A flaw when freeing a pointer in load_elf_library was discovered. A local
user could potentially use this flaw to cause a denial of service (crash).
(CAN-2005-0749)

A flaw was discovered in the bluetooth driver system. On systems where the
bluetooth modules are loaded, a local user could use this flaw to gain
elevated (root) privileges. (CAN-2005-0750)

A race condition was discovered that affected the Radeon DRI driver. A
local user who has DRI privileges on a Radeon graphics card may be able to
use this flaw to gain root privileges. (CAN-2005-0767)

Multiple range checking flaws were discovered in the iso9660 file system
handler. An attacker could create a malicious file system image which would
cause a denial or service or potentially execute arbitrary code if mounted.
(CAN-2005-0815)

A flaw was discovered when setting line discipline on a serial tty. A local
user may be able to use this flaw to inject mouse movements or keystrokes
when another user is logged in. (CAN-2005-0839)

Red Hat Enterprise Linux 4 users are advised to upgrade their kernels
to the packages associated with their machine architectures and
configurations as listed in this erratum.

Please note that


Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:

up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

http://www.redhat.com/docs/manuals/enterprise/

Updated packages

Red Hat Desktop (v. 4)

SRPMS:
kernel-2.6.9-5.0.5.EL.src.rpm
File outdated by:  RHBA-2011:1796
    MD5: 5c195d29285c007e9d24c62c83dcb912
 
IA-32:
kernel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9664da40e572449a6847e93182a32c3c
kernel-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 99f0ef2ce199e67f2933e2740f4d64d5
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-hugemem-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: ac8ddc9ece5c9d0a5d2d5aa632354b74
kernel-hugemem-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: eacb127a2036da6c096bdc7e65d65fc5
kernel-smp-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9327533de8bda32cd822a3641a4ba7b4
kernel-smp-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3ddb05a05f268170d0362f88803ca333
 
x86_64:
kernel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: a16892ac78518e7a948c71ca07c7c3d5
kernel-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: e4f614a057827048bafa5b5f4f8848ba
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-smp-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 39eacfa87d106fee7705e335f72722ca
kernel-smp-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 90c6bb332096064e2283e5849d3060fa
 
Red Hat Enterprise Linux AS (v. 4)

SRPMS:
kernel-2.6.9-5.0.5.EL.src.rpm
File outdated by:  RHBA-2011:1796
    MD5: 5c195d29285c007e9d24c62c83dcb912
 
IA-32:
kernel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9664da40e572449a6847e93182a32c3c
kernel-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 99f0ef2ce199e67f2933e2740f4d64d5
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-hugemem-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: ac8ddc9ece5c9d0a5d2d5aa632354b74
kernel-hugemem-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: eacb127a2036da6c096bdc7e65d65fc5
kernel-smp-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9327533de8bda32cd822a3641a4ba7b4
kernel-smp-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3ddb05a05f268170d0362f88803ca333
 
IA-64:
kernel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3846f3b0cb158cea58d6eadcbbe20e5e
kernel-devel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 8184ecdf261a08faab82207cf5cd0d91
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
PPC:
kernel-2.6.9-5.0.5.EL.ppc64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 432a6e25f7b93513a5c94a29c4e631b9
kernel-2.6.9-5.0.5.EL.ppc64iseries.rpm
File outdated by:  RHBA-2011:1796
    MD5: 2c4b243f0c58cf2042e74fc6537336b0
kernel-devel-2.6.9-5.0.5.EL.ppc64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3893af8a7c2fff3cadec1ee00a3d4c5e
kernel-devel-2.6.9-5.0.5.EL.ppc64iseries.rpm
File outdated by:  RHBA-2011:1796
    MD5: 06c3bc39ae9b33dc37bfbb8a979cb3bd
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
s390:
kernel-2.6.9-5.0.5.EL.s390.rpm
File outdated by:  RHBA-2011:1796
    MD5: 0923d70710e70d973d1a700c6094c9f8
kernel-devel-2.6.9-5.0.5.EL.s390.rpm
File outdated by:  RHBA-2011:1796
    MD5: 55a81c1746924b784470866525c08785
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
s390x:
kernel-2.6.9-5.0.5.EL.s390x.rpm
File outdated by:  RHBA-2011:1796
    MD5: 78ee1de0c8d4b1de697593d00f3fb5cb
kernel-devel-2.6.9-5.0.5.EL.s390x.rpm
File outdated by:  RHBA-2011:1796
    MD5: 5051be0f2437f99275dbfa9da9955f11
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
x86_64:
kernel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: a16892ac78518e7a948c71ca07c7c3d5
kernel-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: e4f614a057827048bafa5b5f4f8848ba
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-smp-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 39eacfa87d106fee7705e335f72722ca
kernel-smp-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 90c6bb332096064e2283e5849d3060fa
 
Red Hat Enterprise Linux ES (v. 4)

SRPMS:
kernel-2.6.9-5.0.5.EL.src.rpm
File outdated by:  RHBA-2011:1796
    MD5: 5c195d29285c007e9d24c62c83dcb912
 
IA-32:
kernel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9664da40e572449a6847e93182a32c3c
kernel-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 99f0ef2ce199e67f2933e2740f4d64d5
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-hugemem-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: ac8ddc9ece5c9d0a5d2d5aa632354b74
kernel-hugemem-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: eacb127a2036da6c096bdc7e65d65fc5
kernel-smp-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9327533de8bda32cd822a3641a4ba7b4
kernel-smp-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3ddb05a05f268170d0362f88803ca333
 
IA-64:
kernel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3846f3b0cb158cea58d6eadcbbe20e5e
kernel-devel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 8184ecdf261a08faab82207cf5cd0d91
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
x86_64:
kernel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: a16892ac78518e7a948c71ca07c7c3d5
kernel-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: e4f614a057827048bafa5b5f4f8848ba
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-smp-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 39eacfa87d106fee7705e335f72722ca
kernel-smp-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 90c6bb332096064e2283e5849d3060fa
 
Red Hat Enterprise Linux WS (v. 4)

SRPMS:
kernel-2.6.9-5.0.5.EL.src.rpm
File outdated by:  RHBA-2011:1796
    MD5: 5c195d29285c007e9d24c62c83dcb912
 
IA-32:
kernel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9664da40e572449a6847e93182a32c3c
kernel-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 99f0ef2ce199e67f2933e2740f4d64d5
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-hugemem-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: ac8ddc9ece5c9d0a5d2d5aa632354b74
kernel-hugemem-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: eacb127a2036da6c096bdc7e65d65fc5
kernel-smp-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 9327533de8bda32cd822a3641a4ba7b4
kernel-smp-devel-2.6.9-5.0.5.EL.i686.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3ddb05a05f268170d0362f88803ca333
 
IA-64:
kernel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 3846f3b0cb158cea58d6eadcbbe20e5e
kernel-devel-2.6.9-5.0.5.EL.ia64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 8184ecdf261a08faab82207cf5cd0d91
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
 
x86_64:
kernel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: a16892ac78518e7a948c71ca07c7c3d5
kernel-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: e4f614a057827048bafa5b5f4f8848ba
kernel-doc-2.6.9-5.0.5.EL.noarch.rpm
File outdated by:  RHBA-2011:1796
    MD5: 405f5d5be5119e38e9eba7fb6c1d5e17
kernel-smp-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 39eacfa87d106fee7705e335f72722ca
kernel-smp-devel-2.6.9-5.0.5.EL.x86_64.rpm
File outdated by:  RHBA-2011:1796
    MD5: 90c6bb332096064e2283e5849d3060fa
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

147468 - CAN-2005-0449 Possible remote Oops/firewall bypass - kABI breaker
148868 - CAN-2005-0135 ia64 local DoS
148878 - CAN-2005-0207 nfs client O_DIRECT oops
149466 - CAN-2005-0529 Sign handling issues on v2.6 (CAN-2005-0530 CAN-2005-0531)
149589 - CAN-2005-0209 netfilter SKB problem
151240 - CAN-2005-0384 pppd remote DoS
151249 - CAN-2005-0736 epoll overflow
151902 - CAN-2005-0767 drm race in radeon
152177 - CAN-2005-0750 bluetooth security flaw
152399 - CAN-2005-0400 ext2 mkdir() directory entry random kernel memory leak
152405 - CAN-2005-0815 isofs range checking flaws
152410 - CAN-2005-0749 load_elf_library possible DoS
152417 - CAN-2005-0839 N_MOUSE line discipline flaw
152561 - CAN-2005-0977 tmpfs truncate bug
154219 - CAN-2005-0867 sysfs signedness problem
154551 - CAN-2005-1041 crash while reading /proc/net/route


References


Keywords

errata, kernel, nahant


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