DEBIAN-CVE-2026-97521

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix quota init duplicate scan gfs2quotainit checks for duplicate quotachange IDs while holding qdlock and the quota hash bucket bitlock. That path used gfs2qdsearchbucket, which takes a lockref reference via...

CVE-2026-97521

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix quota init duplicate scan gfs2quotainit checks for duplicate quotachange IDs while holding qdlock and the quota hash bucket bitlock. That path used gfs2qdsearchbucket, which takes a lockref reference via...

UBUNTU-CVE-2026-97521

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix quota init duplicate scan gfs2quotainit checks for duplicate quotachange IDs while holding qdlock and the quota hash bucket bitlock. That path used gfs2qdsearchbucket, which takes a lockref reference via...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Properly handling disconnections due to fastopen. Syzbot was able to trigger data stream corruption: WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 mptcpcleanuna+0xddb/0xff0 net/mptcp/protocol.c:1024 Modules...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Setting the run context for the rawtp testrun callback. The syzbot reported a crash when the rawtp program was executed through the testrun interface, calling the bpfgetattachcookie helper or any other helper that accesses t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: pagealloc: moving the mlocked flag to freepagesprepare Syzbot reported a problem with bad page state caused by a page being freed using freepage, while the mlocked flag is still present during the freepagesprepare stage: BUG:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: extend minimum interval restriction to entire cycle too It is possible for syzbot to bypass the restriction imposed by the problematic commit in the “Fixes” tag, because the taprio UAPI allows a cycle time that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: removed two BUG functions from skbchecksumhelp. I have a syzbot report that managed to cause a crash in skbchecksumhelp. If syzbot can trigger these BUGs, it makes sense to replace them with more friendly WARNONONCE function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed a failure to detect corruption of DAT files in BTree and direct mappings. The patch series is titled “nilfs2: Fix kernel bug at submitbhwbc”. This resolves a kernel bug reported by syzbot. Since there are two...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: media: cxusb: No longer judges rbuf when the write fails syzbot reported a uninit-value in cxusbi2cxfer. Only when the write operation of usbbulkmsg in dvbusbgenericrw succeeds and rlen is greater than 0, the read operation of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG. This fix should apply to most URSAN bugs that were recently detected by syzbot, by addressing the issue related to dbMount. Since syzbot is allegedly feeding invalid data into the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Proper validation of chunk size in sctpsfootb was added. A size validation fix, similar to that in Commit 50619dbf8db7 “SCTP: Add size validation when processing chunks”, is also required in sctpsfootb to address a crash...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actapi: fixed a possible infinite loop in tcfidrcheckalloc The syzbot detected tasks that were stuck while waiting for rtnllock 1 A reproducer is available in the syzbot bug report. When a request is made to add...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not redirect packets with invalid pktlen Syzbot identified an issue 1: the fqcodel Drop function attempts to drop a flow without any SKBs, that is, when flow-head is null. The root cause, as stated in 2, is that the...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: UDF: Detection of system inodes linked into the directory hierarchy When the UDF filesystem is corrupted, hidden system inodes may be linked into the directory hierarchy. This can lead to further serious corruption of the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: minix: Required sanity checking was added to minixchecksuperblock. The fs/minix implementation of the minix file system currently does not support any value for slogzonesize other than 0. This is also the only value supported in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton to prevent conversion to 0-bit quantities Testing conducted by the syzbot fuzzer revealed that the HID core encounters a shift-out-of-bounds exception when it attempts to convert a 32-bit quantity to a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: tls: explicitly disallow disconnect Syzbot discovered that it can disconnect a TLS socket and then encounter various unexpected corner cases. I have a vague memory of Eric pointing this out to us a long time ago. Supporting...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: fixed the order of calls to strpinit and cleanup. strpinit is called just a few lines above this csk-skuserdata check. It also initializes strp-work, etc. Therefore, there’s no need to call strpdone to cancel the newly...