[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2025-68335":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":21,"related":22,"reserved_at":9,"published_at":23,"modified_at":24,"state":9,"summary":25,"references_raw":27,"kevs":34,"epss":9,"epss_history":35,"metrics":36,"affected":37},"DEBIAN-CVE-2025-68335","In the Linux kernel, the following vulnerability has been resolved:  comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel()  Syzbot identified an issue [1] in pcl818_ai_cancel(), which stems from the fact that in case of early device detach via pcl818_detach(), subdevice dev->read_subdev may not have initialized its pointer to &struct comedi_async as intended. Thus, any such dereferencing of &s->async->cmd will lead to general protection fault and kernel crash.  Mitigate this problem by removing a call to pcl818_ai_cancel() from pcl818_detach() altogether. This way, if the subdevice setups its support for async commands, everything async-related will be handled via subdevice's own ->cancel() function in comedi_device_detach_locked() even before pcl818_detach(). If no support for asynchronous commands is provided, there is no need to cancel anything either.  [1] Syzbot crash: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 1 UID: 0 PID: 6050 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pcl818_ai_cancel+0x69/0x3f0 drivers/comedi/drivers/pcl818.c:762 ... Call Trace:  \u003CTASK>  pcl818_detach+0x66/0xd0 drivers/comedi/drivers/pcl818.c:1115  comedi_device_detach_locked+0x178/0x750 drivers/comedi/drivers.c:207  do_devconfig_ioctl drivers/comedi/comedi_fops.c:848 [inline]  comedi_unlocked_ioctl+0xcde/0x1020 drivers/comedi/comedi_fops.c:2178  vfs_ioctl fs/ioctl.c:51 [inline]  __do_sys_ioctl fs/ioctl.c:597 [inline] ...",null,[],[],[],[14],{"_key":15},"CVE-2025-68335",[17,19],{"_key":18},"DLA-4476-1",{"_key":20},"DSA-6127-1",[],[],"2025-12-22T17:16:01.237Z","2026-04-28T20:30:54.093430Z",{"cisa_kev":26,"cisa_ransomware":26,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[28],{"url":29,"sources":30,"tags":32},"https://security-tracker.debian.org/tracker/CVE-2025-68335",[31],"osv_debian",[33],"Advisory",[],[],[],[38,59],{"ecosystem":39,"name":40,"vendor":41,"product":40,"cpe_part":9,"purl_type":42,"purl_namespace":41,"purl_name":40,"source":9,"versions":43},"Debian","linux","debian","deb",[44,48,49,53,56],{"version":45,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":45,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":50,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":51,"version_end_type":52,"fixed_in":9},"lt6_1_162_1","6.1.162-1","excluding",{"version":54,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":55,"version_end_type":52,"fixed_in":9},"lt6_12_63_1","6.12.63-1",{"version":57,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":58,"version_end_type":52,"fixed_in":9},"lt6_17_12_1","6.17.12-1",{"ecosystem":39,"name":60,"vendor":41,"product":60,"cpe_part":9,"purl_type":42,"purl_namespace":41,"purl_name":60,"source":9,"versions":61},"linux-6.1",[62,63],{"version":45,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":64,"is_range":46,"range_type":47,"version_start":9,"version_start_type":9,"version_end":65,"version_end_type":52,"fixed_in":9},"lt6_1_162_1~deb11u1","6.1.162-1~deb11u1"]