CVE - CVE-2022-49307

CVE-ID
CVE-2022-49307	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: tty: synclink_gt: Fix null-pointer-dereference in slgt_clean() When the driver fails at alloc_hdlcdev(), and then we remove the driver module, we will get the following splat: [ 25.065966] general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN PTI [ 25.066914] KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17] [ 25.069262] RIP: 0010:detach_hdlc_protocol+0x2a/0x3e0 [ 25.077709] Call Trace: [ 25.077924] <TASK> [ 25.078108] unregister_hdlc_device+0x16/0x30 [ 25.078481] slgt_cleanup+0x157/0x9f0 [synclink_gt] Fix this by checking whether the 'info->netdev' is a null pointer first.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/078212ad15dbd88840c82c97f12c93d83703c8fd URL:https://git.kernel.org/stable/c/078212ad15dbd88840c82c97f12c93d83703c8fd MISC:https://git.kernel.org/stable/c/1ceb4ca9543a8a788febf6bc8dad2e605e172d5e URL:https://git.kernel.org/stable/c/1ceb4ca9543a8a788febf6bc8dad2e605e172d5e MISC:https://git.kernel.org/stable/c/50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d URL:https://git.kernel.org/stable/c/50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d MISC:https://git.kernel.org/stable/c/689ca31c542687709ba21ec2195c1fbce34fd029 URL:https://git.kernel.org/stable/c/689ca31c542687709ba21ec2195c1fbce34fd029 MISC:https://git.kernel.org/stable/c/8a95696bdc0e13f8980f05b54a3b9081963d1256 URL:https://git.kernel.org/stable/c/8a95696bdc0e13f8980f05b54a3b9081963d1256 MISC:https://git.kernel.org/stable/c/ba08cbc5b53e151d0acf1930fb526fc65b7f3e65 URL:https://git.kernel.org/stable/c/ba08cbc5b53e151d0acf1930fb526fc65b7f3e65 MISC:https://git.kernel.org/stable/c/d68d5e68b7f64de7170f8e04dd9b995c36b2c71c URL:https://git.kernel.org/stable/c/d68d5e68b7f64de7170f8e04dd9b995c36b2c71c MISC:https://git.kernel.org/stable/c/ddd67751ab86c6a65f95c35293c42f85a42ac05d URL:https://git.kernel.org/stable/c/ddd67751ab86c6a65f95c35293c42f85a42ac05d MISC:https://git.kernel.org/stable/c/f6e07eb7ebec53ffe81fc2489589320fbe4a6b75 URL:https://git.kernel.org/stable/c/f6e07eb7ebec53ffe81fc2489589320fbe4a6b75
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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