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Red Hat Product Errata RHBA-2012:0385 - Bug Fix Advisory
Issued:
2012-03-13
Updated:
2012-06-20

RHBA-2012:0385 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

gawk bug fix update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An updated gawk package that fixes three bugs is now available for Red Hat
Enterprise Linux 6.

Description

The gawk package contains the GNU version of awk, a text processing utility. AWK
interprets a special-purpose programming language to do quick and easy text
pattern matching and reformatting jobs.

This update fixes the following bugs:

  • Prior to this update, the gawk utility could, under certain circumstances,

interpret some run-time variables as internal zero-length variable prototypes.
When gawk tried to free such run-time variables, it actually freed the internal
prototypes, that were allocated just once due to memory savings. As a
consequence, gawk sometimes failed and the error message "awk: double free or
corruption" was displayed. With this update the problem has been corrected and
the error no longer occurs. (BZ#648906)

  • Prior to this update, the gawk utility did not copy variables from the command

line arguments. As a consequence, the variables were not accessible as intended.
This update modifies the underlying code so that gawk makes copies of those
variables. (BZ#740673)

  • Prior to this update, the Yacc interpreter encountered problems handling

larger stacks. As a consequence, the Yacc interpreter could fail with a stack
overflow error when interpreting the AWK code. This update enlarges the stack
and Yacc can now handle these AWK programs. (BZ#743242)

All users of gawk are advised to upgrade to this updated package, which fixes
these bugs.

Solution

Before applying this update, make sure all previously-released errata relevant
to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 648906 - gawk regression from RHEL3/4
  • BZ - 743242 - gawk + byacc = YACC Stack Overflow regression

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b
i386
gawk-3.1.7-9.el6.i686.rpm SHA-256: dafa2469b28ee8724730181502d768a9bc8db36779ed1126ff2ea3829099c3b0
gawk-debuginfo-3.1.7-9.el6.i686.rpm SHA-256: 5a98da27560c40a0c14d9698376ed1a18556774eee7d0716ec1622ae428bc8bc

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b
i386
gawk-3.1.7-9.el6.i686.rpm SHA-256: dafa2469b28ee8724730181502d768a9bc8db36779ed1126ff2ea3829099c3b0
gawk-debuginfo-3.1.7-9.el6.i686.rpm SHA-256: 5a98da27560c40a0c14d9698376ed1a18556774eee7d0716ec1622ae428bc8bc

Red Hat Enterprise Linux Workstation 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b
i386
gawk-3.1.7-9.el6.i686.rpm SHA-256: dafa2469b28ee8724730181502d768a9bc8db36779ed1126ff2ea3829099c3b0
gawk-debuginfo-3.1.7-9.el6.i686.rpm SHA-256: 5a98da27560c40a0c14d9698376ed1a18556774eee7d0716ec1622ae428bc8bc

Red Hat Enterprise Linux Desktop 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b
i386
gawk-3.1.7-9.el6.i686.rpm SHA-256: dafa2469b28ee8724730181502d768a9bc8db36779ed1126ff2ea3829099c3b0
gawk-debuginfo-3.1.7-9.el6.i686.rpm SHA-256: 5a98da27560c40a0c14d9698376ed1a18556774eee7d0716ec1622ae428bc8bc

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
s390x
gawk-3.1.7-9.el6.s390x.rpm SHA-256: cac425b701cd127a578b7c1dd26e87fd15cff409cd040d3f446cd7b97073e186
gawk-debuginfo-3.1.7-9.el6.s390x.rpm SHA-256: 0a22cb799b189d153a1f174689719a8cbd05c0db510f7b82f3b050f50c9a5c8d

Red Hat Enterprise Linux for Power, big endian 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
ppc64
gawk-3.1.7-9.el6.ppc64.rpm SHA-256: 11a137cbdf88d943c468c5e714d0af665b4f1d772dab9cc69eab25e0dbfcbc56
gawk-debuginfo-3.1.7-9.el6.ppc64.rpm SHA-256: e3157c54369a3cb574ea57373753443e0ccb2464d2651d26a7ba11c42560d676

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b

Red Hat Enterprise Linux Server from RHUI 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
x86_64
gawk-3.1.7-9.el6.x86_64.rpm SHA-256: e8c7c329780adb57caba44772e5e2ccbf7509631e2ca364385d53226283137ef
gawk-debuginfo-3.1.7-9.el6.x86_64.rpm SHA-256: 0d8b9ca0a60aabf3391d3a74bfddb2208337bf1e83fbb2e55deb8f863b042d9b
i386
gawk-3.1.7-9.el6.i686.rpm SHA-256: dafa2469b28ee8724730181502d768a9bc8db36779ed1126ff2ea3829099c3b0
gawk-debuginfo-3.1.7-9.el6.i686.rpm SHA-256: 5a98da27560c40a0c14d9698376ed1a18556774eee7d0716ec1622ae428bc8bc

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
gawk-3.1.7-9.el6.src.rpm SHA-256: 8ba049e7c2e13fbb2a99b284832b3528b68590aa703b43bab6c0054bc9dacb3b
s390x
gawk-3.1.7-9.el6.s390x.rpm SHA-256: cac425b701cd127a578b7c1dd26e87fd15cff409cd040d3f446cd7b97073e186
gawk-debuginfo-3.1.7-9.el6.s390x.rpm SHA-256: 0a22cb799b189d153a1f174689719a8cbd05c0db510f7b82f3b050f50c9a5c8d

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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