CVE-2011-0945 - CVE House
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Status published High CVE-2011-0945

Memory leak in the Data-link switching (aka DLSw) feature in...

Vulnerability Description

Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

ios, ios xe
Vulnerable Versions:
12.1, 12.1t, 12.1xi, 12.1xj, 12.1xl, 12.1xm, 12.1xp, 12.1xq, 12.1xr, 12.1xs, 12.1xt, 12.1xu, 12.1xv, 12.1xy, 12.1ya, 12.1yb, 12.1yc, 12.1yd, 12.1ye, 12.1yf, 12.1yh, 12.1yi, 12.2b, 12.2bw, 12.2bx, 12.2by, 12.2cz, 12.2dd, 12.2dx, 12.2ex, 12.2ira, 12.2irb, 12.2irc, 12.2ird, 12.2ire, 12.2ixa, 12.2ixb, 12.2ixc, 12.2ixd, 12.2ixe, 12.2ixf, 12.2ixg, 12.2ixh, 12.2mra, 12.2mrb, 12.2sbc, 12.2sca, 12.2scb, 12.2scc, 12.2scd, 12.2sg, 12.2sra, 12.2srb, 12.2sre, 12.2su, 12.2sv, 12.2sxa, 12.2sxb, 12.2sxd, 12.2sxe, 12.2sxf, 12.2sy, 12.2sz, 12.2t, 12.2tpc, 12.2xa, 12.2xb, 12.2xc, 12.2xd, 12.2xg, 12.2xh, 12.2xi, 12.2xj, 12.2xk, 12.2xl, 12.2xm, 12.2xn, 12.2xq, 12.2xs, 12.2xt, 12.2xu, 12.2xv, 12.2xw, 12.2ya, 12.2yb, 12.2yc, 12.2yd, 12.2ye, 12.2yf, 12.2yh, 12.2yj, 12.2yk, 12.2yl, 12.2ym, 12.2yn, 12.2yt, 12.2yu, 12.2yv, 12.2yw, 12.2yx, 12.2yy, 12.2yz, 12.2zc, 12.2zd, 12.2ze, 12.2zf, 12.2zh, 12.2zj, 12.2zl, 12.2zp, 12.2zu, 12.2zy, 12.2zya, 12.3, 12.3b, 12.3t, 12.3tpc, 12.3va, 12.3xa, 12.3xb, 12.3xc, 12.3xd, 12.3xe, 12.3xf, 12.3xg, 12.3xi, 12.3xj, 12.3xk, 12.3xl, 12.3xq, 12.3xr, 12.3xs, 12.3xu, 12.3xw, 12.3xx, 12.3xy, 12.3xz, 12.3ya, 12.3yd, 12.3yf, 12.3yg, 12.3yh, 12.3yi, 12.3yj, 12.3yk, 12.3ym, 12.3yq, 12.3ys, 12.3yt, 12.3yu, 12.3yx, 12.3yz, 12.3za, 12.4, 12.4gc, 12.4md, 12.4mda, 12.4mr, 12.4mra, 12.4sw, 12.4t, 12.4xa, 12.4xb, 12.4xc, 12.4xd, 12.4xe, 12.4xf, 12.4xg, 12.4xj, 12.4xk, 12.4xl, 12.4xm, 12.4xn, 12.4xp, 12.4xq, 12.4xr, 12.4xt, 12.4xv, 12.4xw, 12.4xy, 12.4xz, 12.4ya, 12.4yb, 12.4yd, 12.4ye, 12.4yg, 15.0m, 15.0s, 15.0xa, 15.1t, 15.1xb, 3.1.0s, 3.1.1s, 3.1.2s, 3.2.0s

Timeline

Official Publish: October 3rd, 2011
Last Modified: September 17th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.