Date: Wed, 17 Mar 2021 17:14:57 -0400 From: Sasha Levin <sashal@...nel.org> To: oss-security@...ts.openwall.com Subject: Re: CVE-2020-35519 Linux kernel: x25_bind out-of-bounds read On Thu, Mar 18, 2021 at 01:20:18AM +0530, Rohit Keshri wrote: >Hello Team, > >An out-of-bounds (OOB) memory access flaw was found in x25_bind in >net/x25/af_x25.c in the Linux kernel. A bounds check failure allows a local >attacker with a user account on the system to gain access to out-of-bounds >memory, leading to a system crash or a leak of internal kernel information. >The highest threat from this vulnerability is to confidentiality, >integrity, as well as system availability. > >'CVE-2020-35519' was assigned by Red Hat. This mail doesn't even mention where/how this is fixed. Is this 6ee50c8e262a ("net/x25: prevent a couple of overflows")? If so, it's already fixed in all stable kernels. How can the issue cause a leak btw? -- Thanks, Sasha
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