| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <2024082213-CVE-2022-48908-27ec@gregkh> Date: Thu, 22 Aug 2024 11:31:09 +0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-48908: net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe() Description =========== In the Linux kernel, the following vulnerability has been resolved: net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe() During driver initialization, the pointer of card info, i.e. the variable 'ci' is required. However, the definition of 'com20020pci_id_table' reveals that this field is empty for some devices, which will cause null pointer dereference when initializing these devices. The following log reveals it: [ 3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci] [ 3.975181] Call Trace: [ 3.976208] local_pci_probe+0x13f/0x210 [ 3.977248] pci_device_probe+0x34c/0x6d0 [ 3.977255] ? pci_uevent+0x470/0x470 [ 3.978265] really_probe+0x24c/0x8d0 [ 3.978273] __driver_probe_device+0x1b3/0x280 [ 3.979288] driver_probe_device+0x50/0x370 Fix this by checking whether the 'ci' is a null pointer first. The Linux kernel CVE team has assigned CVE-2022-48908 to this issue. Affected and fixed versions =========================== Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 4.9.305 with commit 8e3bc7c5bbf8 Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 4.14.270 with commit b1ee6b9340a3 Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 4.19.233 with commit b838add93e1d Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 5.4.183 with commit e50c589678e5 Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 5.10.104 with commit 5f394102ee27 Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 5.15.27 with commit ea372aab5490 Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 5.16.13 with commit ca0bdff4249a Issue introduced in 3.18 with commit 8c14f9c70327 and fixed in 5.17 with commit bd6f1fd5d33d Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2022-48908 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/net/arcnet/com20020-pci.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/8e3bc7c5bbf87e86e9cd652ca2a9166942d86206 https://git.kernel.org/stable/c/b1ee6b9340a38bdb9e5c90f0eac5b22b122c3049 https://git.kernel.org/stable/c/b838add93e1dd98210482dc433768daaf752bdef https://git.kernel.org/stable/c/e50c589678e50f8d574612e473ca60ef45190896 https://git.kernel.org/stable/c/5f394102ee27dbf051a4e283390cd8d1759dacea https://git.kernel.org/stable/c/ea372aab54903310756217d81610901a8e66cb7d https://git.kernel.org/stable/c/ca0bdff4249a644f2ca7a49d410d95b8dacf1f72 https://git.kernel.org/stable/c/bd6f1fd5d33dfe5d1b4f2502d3694a7cc13f166d
Powered by blists - more mailing lists