5.5
CVSSv3

CVE-2018-19364

Published: 13/12/2018 Updated: 07/11/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.

Vulnerability Trend

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qemu qemu

qemu qemu 3.1.0

canonical ubuntu linux 16.04

canonical ubuntu linux 14.04

canonical ubuntu linux 18.04

canonical ubuntu linux 18.10

debian debian linux 8.0

debian debian linux 9.0

fedoraproject fedora 29

opensuse leap 42.3

Vendor Advisories

Several security issues were fixed in QEMU ...
Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service, the execution of arbitrary code or information disclosure In addition this update backports support to passthrough the new md-clear CPU flag added in the intel-microcode update shipped in DSA 4447 to x86-based guests For the stabl ...
hw/9pfs/cofilec and hw/9pfs/9pc in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome ...
Debian Bug report logs - #911470 qemu: CVE-2018-18438: Integer overflow in ccid_card_vscard_read() allows memory corruption Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:51:02 UTC ...
Debian Bug report logs - #915884 qemu: CVE-2018-16867: dev-mtp: path traversal in usb_mtp_write_data of the Media Transfer Protocol (MTP) Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 7 Dec 2018 ...
Debian Bug report logs - #902725 CVE-2018-12617 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 29 Jun 2018 21:09:06 UTC Severity: important Tags: security Found in version qemu/1:212+dfsg-3 Fixed in ...
Debian Bug report logs - #911499 qemu: CVE-2018-17958: rtl8139: integer overflow leads to buffer overflow Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 21:15:01 UTC Severity: import ...
Debian Bug report logs - #914604 qemu: CVE-2018-18954: ppc64: Out-of-bounds r/w stack access in pnv_lpc_do_eccb Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 25 Nov 2018 15:48:01 UTC Severity: i ...
Debian Bug report logs - #911468 qemu: CVE-2018-17962: pcnet: integer overflow leads to buffer overflow Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:45:03 UTC Severity: grave Tag ...
Debian Bug report logs - #914727 qemu: CVE-2018-19489: 9pfs: crash due to race condition in renaming files Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 26 Nov 2018 18:21:01 UTC Severity: import ...
Debian Bug report logs - #910431 qemu: CVE-2018-10839: integer overflow leads to buffer overflow issue Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 6 Oct 2018 07:42:02 UTC Severity: grave Tags ...
Debian Bug report logs - #907500 qemu: CVE-2018-15746: seccomp: blacklist is not applied to all threads Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 28 Aug 2018 19:57:04 UTC Severity: important ...
Debian Bug report logs - #912535 qemu: CVE-2018-18849 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 1 Nov 2018 07:18:02 UTC Severity: important Tags: patch, security, upstream Found in version ...
Debian Bug report logs - #911469 qemu: CVE-2018-17963: net: ignore packets with large size Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 20 Oct 2018 14:45:07 UTC Severity: grave Tags: security, ...
Debian Bug report logs - #914599 qemu: CVE-2018-19364: Use-after-free due to race condition while updating fid path Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 25 Nov 2018 15:09:01 UTC Severit ...
Debian Bug report logs - #929353 qemu: CVE-2019-12155: qxl: null pointer dereference while releasing speice resources Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 22 May 2019 08:03:02 UTC Sever ...
Debian Bug report logs - #901017 qemu: CVE-2018-11806: slirp: heap buffer overflow while reassembling fragmented datagrams Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 8 Jun 2018 03:42:01 UTC ...