Bug 2240541 (CVE-2023-5156)

Summary: CVE-2023-5156 glibc: DoS due to memory leak in getaddrinfo.c
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: adudiak, agarcial, aoconnor, asegurap, bdettelb, caswilli, crarobin, dfreiber, dhalasz, dkuc, fjansen, ggastald, hkataria, jburrell, jmadigan, jmitchel, jsamir, jsherril, jtanner, kaycoth, kshier, luizcosta, meferrigno, ngough, nweather, pamccart, psegedy, rogbas, sbiarozk, stcannon, sthirugn, tcarlin, tkasparek, vkrizan, vkumar, vmugicag, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: glibc 2.39 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.
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Clone Of: Environment:
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Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2240543    
Bug Blocks: 2240548    

Description TEJ RATHI 2023-09-25 07:35:46 UTC
The fix for CVE-2023-4806 in upstream, introduces a memory leak in getaddrinfo.c which could lead to a Denial-of-Service.

https://sourceware.org/bugzilla/show_bug.cgi?id=30884
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ec6b95c3303c700eb89eebeda2d7264cc184a796

Comment 1 TEJ RATHI 2023-09-25 07:45:16 UTC
Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 2240543]