CVE-2024-53151: svcrdma: Address an integer overflow
First published: Tue Dec 24 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Address an integer overflow Dan Carpenter reports: > Commit 78147ca8b4a9 ("svcrdma: Add a "parsed chunk list" data > structure") from Jun 22, 2020 (linux-next), leads to the following > Smatch static checker warning: > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c:498 xdr_check_write_chunk() > warn: potential user controlled sizeof overflow 'segcount * 4 * 4' > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c > 488 static bool xdr_check_write_chunk(struct svc_rdma_recv_ctxt *rctxt) > 489 { > 490 u32 segcount; > 491 __be32 *p; > 492 > 493 if (xdr_stream_decode_u32(&rctxt->rc_stream, &segcount)) > ^^^^^^^^ > > 494 return false; > 495 > 496 /* A bogus segcount causes this buffer overflow check to fail. */ > 497 p = xdr_inline_decode(&rctxt->rc_stream, > --> 498 segcount * rpcrdma_segment_maxsz * sizeof(*p)); > > > segcount is an untrusted u32. On 32bit systems anything >= SIZE_MAX / 16 will > have an integer overflow and some those values will be accepted by > xdr_inline_decode().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.11<5.15.174 | |
| Linux Kernel | >=5.16<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 | |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/21e1cf688fb0397788c8dd42e1e0b08d58ac5c7b
- https://git.kernel.org/stable/c/c1f8195bf68edd2cef0f18a4cead394075a54b5a
- https://git.kernel.org/stable/c/838dd342962cef4c320632a5af48d3c31f2f9877
- https://git.kernel.org/stable/c/4cbc3ba6dc2f746497cade60bcbaa82ae3696689
- https://git.kernel.org/stable/c/e5c440c227ecdc721f2da0dd88b6358afd1031a7
- https://git.kernel.org/stable/c/3c63d8946e578663b868cb9912dac616ea68bfd0
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53151
- https://nvd.nist.gov/vuln/detail/CVE-2024-53151
- https://launchpad.net/bugs/cve/CVE-2024-53151
- https://security-tracker.debian.org/tracker/CVE-2024-53151
- https://ubuntu.com/security/CVE-2024-53151
- https://git.kernel.org/linus/3c63d8946e578663b868cb9912dac616ea68bfd0
Frequently Asked Questions
What is the severity of CVE-2024-53151?
CVE-2024-53151 has not been assigned a specific CVSS score but addresses a potential integer overflow vulnerability in the Linux kernel.
Which versions of the Linux kernel are affected by CVE-2024-53151?
CVE-2024-53151 affects Linux kernel versions from 5.11 to 5.15.174, 5.16 to 6.1.120, 6.2 to 6.6.64, 6.7 to 6.11.11, and 6.12 to 6.12.2.
How do I fix CVE-2024-53151?
To fix CVE-2024-53151, upgrade to a patched version of the Linux kernel that addresses the integer overflow vulnerability.
What type of vulnerability is CVE-2024-53151?
CVE-2024-53151 is classified as an integer overflow vulnerability in the svcrdma component of the Linux kernel.
Who reported CVE-2024-53151?
CVE-2024-53151 was reported by Dan Carpenter.
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