CVE-2021-47579 ovl: fix warning in ovl_create_real()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-dinode The reason is that the cgroup2 filesystem returns from mkdir without instantiating t...

CVE-2024-38582 nilfs2: fix potential hang in nilfs_detach_log_writer()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfsdetachlogwriter Syzbot has reported a potential hang in nilfsdetachlogwriter called during nilfs2 unmount. Analysis revealed that this is because nilfssegctorsync, which synchronizes with the lo...

CVE-2024-38567 wifi: carl9170: add a proper sanity check for endpoints

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: add a proper sanity check for endpoints Syzkaller reports 1 hitting a warning which is caused by presence of a wrong endpoint type at the URB sumbitting stage. While there was a check for a specific 4th endpoint,...

CVE-2024-38538 net: bridge: xmit: make sure we have at least eth header len bytes

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: make sure we have at least eth header len bytes syzbot triggered an uninit value1 error in bridge device's xmit path by sending a short less than ETHHLEN bytes skb. To fix it check if we can actually pull that...

CVE-2024-38538 net: bridge: xmit: make sure we have at least eth header len bytes

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: make sure we have at least eth header len bytes syzbot triggered an uninit value1 error in bridge device's xmit path by sending a short less than ETHHLEN bytes skb. To fix it check if we can actually pull that...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from syzbot triggering a crash of an mptcp connection that is in fallback mode...

PT-2024-31331

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the btrfs file system in the Linux kernel. When freeing a tree block, the function btrfs free tree block does not handle errors properly, leading to a BUG ON...

kernel: i2c: i801: Don't generate an interrupt on bus reset

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Don't generate an interrupt on bus reset Now that the i2c-i801 driver supports interrupts, setting the KILL bit in a attempt to recover from a timed out transaction triggers an interrupt. Unfortunately, the interrupt...

CVE-2024-36933

In the Linux kernel, the following vulnerability has been resolved: nsh: Restore skb-protocol,data,macheader for outer header in nshgsosegment. syzbot triggered various splats see 0 and links by a crafted GSO packet of VIRTIONETHDRGSOUDP layering the following protocols: ETHP8021AD + ETHPNSH +...

SUSE CVE-2024-36915

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix nfcllcpsetsockopt unsafe copies syzbot reported unsafe calls to copyfromsockptr 1 Use copysafefromsockptr instead. 1 BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset include/linux/sockptr.h:49 inline BUG:...

CVE-2024-36905

In the Linux kernel, the following vulnerability has been resolved: tcp: defer shutdownSENDSHUTDOWN for TCPSYNRECV sockets TCPSYNRECV state is really special, it is only used by cross-syn connections, mostly used by fuzzers. In the following crash 1, syzbot managed to trigger a divide by zero in...

CVE-2024-36938

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueue Fix NULL pointer data-races in skpsockskbingressenqueue which syzbot reported 1. 1 BUG: KCSAN: data-race in skpsockdrop / skpsockskbingressenqueue write to...

UBUNTU-CVE-2024-36901

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent NULL dereference in ip6output According to syzbot, there is a chance that ip6dstidev returns NULL in ip6output. Most places in IPv6 stack deal with a NULL idev just fine, but not here. syzbot reported: general...

CVE-2024-36938 bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueue Fix NULL pointer data-races in skpsockskbingressenqueue which syzbot reported 1. 1 BUG: KCSAN: data-race in skpsockdrop / skpsockskbingressenqueue write to...

CVE-2024-36938 bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in skpsockskbingressenqueue Fix NULL pointer data-races in skpsockskbingressenqueue which syzbot reported 1. 1 BUG: KCSAN: data-race in skpsockdrop / skpsockskbingressenqueue write to...

CVE-2024-36915

CVE-2024-36915 concerns the Linux kernel’s NFC LLCP path where nfc_llcp_setsockopt() could unsafe-copy from user-supplied sockptr data, triggering a slab-out-of-bounds read. Symptom traces show reads of 4 bytes at a user task, linked to copy_from_sockptr() and inline copy_from_sockptr_offset; the...

CVE-2024-36902 ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...

CVE-2024-36902 ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...

CVE-2024-36901 ipv6: prevent NULL dereference in ip6_output()

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent NULL dereference in ip6output According to syzbot, there is a chance that ip6dstidev returns NULL in ip6output. Most places in IPv6 stack deal with a NULL idev just fine, but not here. syzbot reported: general...

SUSE CVE-2021-47405

In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: free rawreport buffers in usbhidstop Free the unsent rawreport buffers when the device is removed. Fixes a memory leak reported by syzbot at: https://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418a...